{"product_id":"k-n-custom-round-filter-5-1-8in-flg-11in-dia-4-3-4in-h-w-vent","title":"K\u0026N Custom Round Air Filter 5-1\/8\" Flange – 11\" Diameter, 4.75\" Height w\/ Vent | High Flow Washable Filter","description":"\u003cp data-end=\"1409\" data-start=\"1109\"\u003eImprove engine breathing and performance with the K\u0026amp;N custom round air filter, engineered for high airflow and long term durability. Featuring a universal 5-1\/8\" flange, this filter is commonly used on carbureted engines, making it an ideal choice for hot rods, muscle cars, and custom intake setups.\u003c\/p\u003e\n\u003cp data-end=\"1690\" data-start=\"1411\"\u003eWith an 11-inch diameter and 4.75-inch height, this filter provides increased surface area for improved airflow compared to smaller filters. The integrated vent allows for crankcase breather hose connection, helping maintain proper engine ventilation in performance applications.\u003c\/p\u003e\n\u003cp data-end=\"1960\" data-start=\"1692\"\u003eK\u0026amp;N’s signature high-flow cotton gauze media is washable and reusable, delivering long service life while maintaining consistent airflow. Unlike disposable filters, this unit can be cleaned and reused multiple times, making it a cost-effective upgrade for enthusiasts.\u003c\/p\u003e\n\u003cp data-end=\"2132\" data-start=\"1962\"\u003eWhether you're building a classic V8, tuning a carbureted setup, or upgrading a custom intake system, this K\u0026amp;N round air filter offers proven performance and reliability.\u003c\/p\u003e\n\u003cp data-end=\"2132\" data-start=\"1962\"\u003e \u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":47413082620157,"sku":"KNN60-1180","price":146.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1935\/9157\/files\/2483cd0c-89f7-47eb-b2c7-c5db1d82b3aa-800.jpg?v=1776740319","url":"https:\/\/www.velocityshop.com\/products\/k-n-custom-round-filter-5-1-8in-flg-11in-dia-4-3-4in-h-w-vent","provider":"Velocity Shop","version":"1.0","type":"link"}