ACT Extreme 2004-2021 Subaru STI Clutch Kit

Upgrade your Subaru STI with the ACT 2004-2021 Extreme Clutch Kit, designed for dramatic increases in power at the sacrifice of moderate to heavy pedal effort. With its capability to handle up to 550hp, this top-rated clutch is a must if you're making big power. Trust our expert recommendation for optimal performance.