SPEC Clutch Kits STI Variations:SPEC Stage 5 Clutch Kit STI (2004-2018) The diff mounts in factory

The diff mounts in factory form allow the diffs to move around a lot

Rev-X High Performance Oil Additive has been proven worldwide to perform better than any expectations

Through a combination of custom injection molded form-fitted plastic spacers to foam tabs and corresponding brackets

- Adjustable Rebound with fixed compression settings - optimal ride comfort then dial in more grip and a better balance with less bodyroll than the standard suspension

Please note these kits will NOT fit cars with active steering

SPEC Clutch Kits STI Variations:SPEC Stage 5 Clutch Kit STI (2004-2018) The diff mounts in factorySPEC clutch kits for the Subaru STI are some of the highest quality performance clutch kits on the market. SPEC makes a high performance clutch option for you; whether your STI is a bone stock daily driver or a fully modified track beast. Every SPEC Clutch Kit Includes: High clamp pressure plate High torque hub and disc assembly Replacement bearings Alignment tool SPEC Stage 1 for the Subaru STI: Stage 1 features an integrally molded carbon Kevlar