Clutch Masters FX400 (3300lbs) Stage 4 Clutch Kit 6 Puck Subaru STI 2004-2021 | 15017-HDC6 map-enforced ACT spring retainers utilize wraparound

ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support

The COBB Subaru 5-Speed Shifter Bushing improves shifting precision and feel when used with a short shifter

The Super Pro Roll Center Kit helps return your steering angle to be more parallel with the ground

Stage 3+ is the flagship stage for a high powered street or race car that requires a manageable and friendly engagement

References: Double Spring-6 deg Pro CNC- Ferrea Valve Lock # K10074

Clutch Masters FX400 (3300lbs) Stage 4 Clutch Kit 6 Puck Subaru STI 2004-2021 | 15017-HDC6 map-enforced ACT spring retainers utilize wraparoundPart #: 15017 HDC6 Heavy duty pressure plate; sprung, 4 or 6 pucked ceramic disc; quick engagement; tremendous holding power. If your STI has major upgrades and is making loads of power and or your STI is a dedicated track car, then you should look at the FX400 clutch from Clutch Masters. You will experience harsh engagement that is not suggested for daily driven cars, but is ideal for the for aggressively driven weekend toy and track driven STI. Did