MK-SYN117 Carbon Master Kit RSX ITR CTR Si 6 Speed (05-15) | MK-SYN117

Synchrotech MK-SYN117 Carbon Master Rebuild Kit

Rebuild your 2005-2015 Honda / Acura K-series 6-speed transmission with the Synchrotech MK-SYN117 Carbon Master Rebuild Kit. This kit is designed for compatible RSX, TSX, ITR, CTR, Civic Si, K20/K24, EP3, FN2, and FD2 6-speed applications using the single-cone 1-piece 5th/6th synchro setup.

This carbon master kit is a strong option for K-series transmission rebuilds where smoother engagement, improved shift response, and long-term rebuild quality are priorities.

Synchrotech Pro Series Carbon synchros use a carbon-composite friction lining designed to improve shifting response, support quicker gear engagement, and reduce wear on related engagement components.

Features

• Genuine Synchrotech master transmission rebuild kit
• Designed for select Honda / Acura K-series 6-speed manual transmissions
• Carbon-composite synchro configuration
• Helps restore smoother shifting and improved gear engagement
• Recommended for transmission rebuilds, high-mileage refreshes, and performance K-series builds
• Professional transmission installation recommended

Vehicle / Transmission Fitment

• 2005-2015 Honda / Acura K-series 6-speed manual transmission applications
• RSX, TSX, ITR, CTR, Civic Si, K20/K24, EP3, FN2, and FD2 fitment family
• Single-cone 1-piece 5th/6th synchro setup

Important Fitment Note

Confirm transmission code, gear stack, synchro design, and 5th/6th gear synchro style before ordering. Honda and Acura K-series 6-speed transmissions can vary by year, market, and internal transmission configuration.

What's Included

Master kit contents are commonly listed as a 1-6 Pro Series Carbon Synchro Set, 1-6 springs, 1/2/3/4/5/6 sleeves, shaft bearings, bearing clip, axle seals, input seal, and shift rod seal. Confirm final contents with the latest supplier data before installation.