JDM Close Ratio 5th/6th Gear Set TY856 6MT Throttle Housing 521 (3rd) / 1

521 (3rd) / 1

Best suited for USDM STI MY04-06 or applications with the same ratios

Optional REM ISF© (superfinishing) treatment

This is a 230mm pull type clutch

JDM Close Ratio 5th/6th Gear Set TY856 6MT Throttle Housing 521 (3rd) / 1Convert to the closer ratio 5th 6th gearing of the JDM STI. Reduces the ratio gap from 4th to 5th to improve acceleration. Ideal for canyon driving, short tracks, and rally use. Kit contains 5th drive, 6th drive, 5th 6th driven gear cluster, and adapter keyway for wide keyway applications. Best suited for USDM STI MY04 06 or applications with the same ratios. Long ratio 4th gear as used on USDM MY07+ combined with the short ratio 5th will have too