{"title":"Spark Plugs","description":null,"products":[{"product_id":"hks-super-fire-racing-m35","title":"HKS Super Fire Racing M-Series Spark Plug M35 Qty 1 Plug | 50003-M35","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\" data-mce-style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" style=\"float: none;\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\" data-mce-style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\" alt=\"\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792281825533,"sku":"HKS50003-M35","price":22.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M35.jpg?v=1735685846"},{"product_id":"hks-super-fire-racing-m35i","title":"HKS Super Fire Racing M-Series Spark Plug M35i Qty 1 Plug | 50003-M35I","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792281858301,"sku":"HKS50003-M35I","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M35i.jpg?v=1735685845"},{"product_id":"hks-general-application-m-series-super-fire-racing-spark-plug","title":"HKS Super Fire Racing M-Series Spark Plug sM35IL Qty 1 Plug | 50003-M35IL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792281956605,"sku":"HKS50003-M35IL","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M35iL.jpg?v=1735685844"},{"product_id":"hks-super-fire-racing-m35lf","title":"HKS Super Fire Racing M-Series Spark Plug M35LF Qty 1 Plug | 50003-M35LF","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792282415357,"sku":"HKS50003-M35LF","price":25.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M35LF.jpg?v=1735685843"},{"product_id":"hks-super-fire-racing-m40","title":"HKS Super Fire Racing M-Series Spark Plug M40 Qty 1 Plug | 50003-M40","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792282448125,"sku":"HKS50003-M40","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M40.jpg?v=1735685842"},{"product_id":"hks-super-fire-racing-m40g","title":"HKS Super Fire Racing M-Series Spark Plug M40G Qty 1 Plug | 50003-M40G","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792282480893,"sku":"HKS50003-M40G","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M40G.jpg?v=1735685841"},{"product_id":"hks-nissan-infiniti-vq35hr-m-series-spark-plugs-stock-heat","title":"HKS Nissan\/Infiniti VQ35HR M-Series Spark Plug (Stock Heat) Qty 1 Plug | 50003-M40HL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792283365629,"sku":"HKS50003-M40HL","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M40HL.jpg?v=1735685840"},{"product_id":"hks-super-fire-racing-m40i","title":"HKS Super Fire Racing M-Series Spark Plug M40i Qty 1 Plug | 50003-M40I","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792283398397,"sku":"HKS50003-M40I","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M40i.jpg?v=1735685839"},{"product_id":"hks-super-fire-racing-m40il","title":"HKS Super Fire Racing M-Series Spark Plug M40iL Qty 1 Plug | 50003-M40IL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792283496701,"sku":"HKS50003-M40IL","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M40iL.jpg?v=1735685838"},{"product_id":"hks-super-fire-racing-m40lf","title":"HKS Super Fire Racing M-Series Spark Plug M40LF Qty 1 Plug | 50003-M40LF","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792283693309,"sku":"HKS50003-M40LF","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M40LF.jpg?v=1735685837"},{"product_id":"hks-10-hyundai-genesis-coupe-3-8l-m-series-spark-plugs-heat-range-8","title":"HKS 10 Hyundai Genesis Coupe 3.8L M-Series Spark Plug (Heat Range 8) Qty 1 Plug | 50003-M40XL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792284217597,"sku":"HKS50003-M40XL","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M40XL.jpg?v=1735685836"},{"product_id":"hks-super-fire-racing-m45","title":"HKS Super Fire Racing M-Series Spark Plug M45 Qty 1 Plug | 50003-M45","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792284283133,"sku":"HKS50003-M45","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M45.jpg?v=1735685835"},{"product_id":"hks-super-fire-racing-m45g","title":"HKS Super Fire Racing M-Series Spark Plug M45G Qty 1 Plug | 50003-M45G","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792284315901,"sku":"HKS50003-M45G","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M45G.jpg?v=1735685834"},{"product_id":"hks-nissan-infinity-vq35hr-m-series-spark-plugs-one-step-colder","title":"HKS Nissan\/Infinity VQ35HR M-Series Spark Plug (One Step Colder) Qty 1 Plug | 50003-M45HL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792284610813,"sku":"HKS50003-M45HL","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M45HL.jpg?v=1735685833"},{"product_id":"hks-super-fire-racing-m45i","title":"HKS Super Fire Racing M-Series Spark Plug M45i Qty 1 Plug | 50003-M45I","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792284872957,"sku":"HKS50003-M45I","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-Super-Fire-Spark-Plug-2_25a0460c-6b5d-413e-82da-8be923d38481.jpg?v=1735685832"},{"product_id":"hks-super-fire-racing-m45il","title":"HKS Super Fire Racing M-Series Spark Plug M45iL Qty 1 Plug | 50003-M45IL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792285004029,"sku":"HKS50003-M45IL","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-Super-Fire-Spark-Plug-2_b9b7bd4c-778f-4acc-9a35-631f1170fef2.jpg?v=1735685831"},{"product_id":"hks-super-fire-racing-m45re","title":"HKS Super Fire Racing M-Series Spark Plugs M45RE | 50003-M45RE","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792285364477,"sku":"HKS50003-M45RE","price":38.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M45RE.jpg?v=1735685830"},{"product_id":"hks-08-lancer-evolution-gsr-mr-m-series-spark-plugs-heat-range-9","title":"HKS 08 Lancer Evolution GSR\/MR M-Series Spark Plug (Heat Range 9) Qty 1 Plug | 50003-M45XL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792285593853,"sku":"HKS50003-M45XL","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M45XL.jpg?v=1735685827"},{"product_id":"hks-super-fire-racing-m50hl","title":"HKS Super Fire Racing M-Series Spark Plug M50HL Qty 1 Plug | 50003-M50HL","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792285921533,"sku":"HKS50003-M50HL","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M50HL.jpg?v=1735685824"},{"product_id":"hks-rotary-applications-m-series-spark-plugs-heat-range-10-5","title":"HKS Rotary Applications M-Series Spark Plugs Heat Range 10.5 | 50003-M525RE","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003e\u003cspan\u003eÂ \u003c\/span\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792285987069,"sku":"HKS50003-M525RE","price":38.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-M525RE.jpg?v=1735685823"},{"product_id":"hks-super-fire-racing-mr45hlz","title":"HKS Super Fire Racing M-Series Spark Plug MR45HLZ Qty 1 Plug | 50003-MR45HLZ","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792286609661,"sku":"HKS50003-MR45HLZ","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-Super-Fire-Spark-Plug-1.jpg?v=1735685821"},{"product_id":"hks-super-fire-racing-mr45xlb","title":"HKS Super Fire Racing M-Series Spark Plug MR45XLB (Qty 1 Plug) | 50003-MR45XLB","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792286675197,"sku":"HKS50003-MR45XLB","price":39.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-Super-Fire-Spark-Plug-2_23036fa6-7732-4543-b038-251da36b309b.jpg?v=1735685820"},{"product_id":"hks-super-fire-racing-mr45xlz","title":"HKS Super Fire Racing M-Series Spark Plug MR45XLZ Qty 1 Plug | 50003-MR45XLZ","description":"\u003ch2\u003e\n\u003cb\u003eProduct Features\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e0.6mm Iridium\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlloy Center Electrode\u003c\/strong\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter Electrode with Platinum Chip\u003c\/strong\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Type Outer Electrode (Anti-Vibration)\u003c\/strong\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Edge\u003c\/strong\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpark Support Gap\u003c\/strong\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/p\u003e\n\u003ch2\u003ePerformance and Efficiency\u003c\/h2\u003e\n\u003cp\u003eIncreased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproper combustion condition and wrong heat range selection may cause damage to the spark plug. Decreased Carbon Deposits Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeat Range Conversion Chart\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"HKS Spark Plugs Heat Range Cross Reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-spark-plugs-heat-range-table.jpg?v=1714878951\"\u003e\u003c\/div\u003e\n\u003ch2\u003eHKS Spark Plugs Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/50003-HKS-Spark-Plugs.png?v=1714879076\"\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":44792286707965,"sku":"HKS50003-MR45XLZ","price":33.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/HKS-Super-Fire-Spark-Plug-1_06fe5163-28a9-4efe-8948-aac845075a48.jpg?v=1735685819"},{"product_id":"hks-super-fire-racing-m35g","title":"HKS SUPER FIRE RACING M35G","description":"HKS SUPER FIRE RACING M35G","brand":"HKS","offers":[{"title":"Default Title","offer_id":45985906196733,"sku":"HKS50003-M35G","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/09f33a5c-47c3-4d8b-8edf-4b054452408b-800.jpg?v=1763270787"}],"url":"https:\/\/www.velocityshop.com\/collections\/spark-plugs.oembed","provider":"Velocity Shop","version":"1.0","type":"link"}