2015-2021 Subaru STI Drivetrain

DESCRIPTION The ACT Pilot Bearing is a high-quality replacement bushing or bearing designed for the 2002+ Subaru WRX and 2004–2021 STI. Installed i...

DESCRIPTION The factory reverse lockout link wears out with high mileage and aggressive shifting, causing a shifter rattle. The Perrin Reverse Lock...

DESCRIPTION The Perrin Driveshaft Carrier Bushings replace the soft OEM rubber bushings that mount the driveshaft carrier bearing to the chassis. U...

The PERRIN Rear Subframe Lockdown Kit reduces drivetrain movement during hard acceleration, braking, and cornering, delivering a more responsive an...

DESCRIPTION The ACT Streetlite Flywheel for the 2004-2021 STI is a lightweight, one-piece forged flywheel designed to improve engine response and a...

DESCRIPTION The ACT Xtreme Performance Street Sprung Clutch for the 2004-2021 STI is designed for high-output builds that still see street use. It ...

SPECS: Patent-pending design  Chromoly-steel construction Makes for a great upgrade to the traditional two-piece wedge collar and wire ring design...

Add drivetrain rigidity and precision to throttle input to your Subaru with the PERRIN Differential Lockdown Kit. Enhance Driving Precision The PER...

Why Go Stiffer? A stiffer transmission mount gives you a more connected feel with your car. The PERRIN Transmission Mount reduces most drivetrain ...

DESCRIPTION The ACT Clutch Release Bearing for the 2004–2021 Subaru STI (RB601) is a high-quality, direct-fit component designed to meet or exceed ...

DESCRIPTION The ACT Mod Twin 225 Xtreme Duty Sprung Street Twin Disk Clutch Kit for the 2004-2021 STI is engineered for high-powered AWD street car...

The South Bend Stage 2 Daily Clutch Kit has a 496 ft-lb torque rating which is plenty of clutch for the street, and plenty of clutch for those of y...

The South Bend Stage 3 Daily Clutch Kit has been designed for those of you who are making big power and big boost numbers but don't want the harshn...

Here, you are looking at the Exedy Stage 4 Heavy Duty Twin Metallic Disc Clutch Kit. This particular clutch is ideal for those who are making big h...

DESCRIPTION The ACT Heavy Duty Race Sprung 6 Pad Clutch Kit for the 2006+ WRX is built for high horsepower street and race applications that demand...

DESCRIPTION The ACT XACT Prolite Clutch Flywheel is designed for 2004–2021 Subaru WRX STI models and is ACT’s lightest flywheel option for maximum ...

COMPATIBILITY 2015+ WRX 2004-2021 STI

DESCRIPTION The ACT Mod Twin 225 Xtreme Duty Rigid Race Twin Disk Clutch Kit for the 2004-2021 STI is built for high-powered AWD racing where aggre...

DESCRIPTION The ACT Heavy Duty 6-Puck Disc Clutch Kit is engineered for the 2004–2021 Subaru STI and is designed to handle high horsepower street a...

672 022 CL Using aircraft-grade PTFE stainless, Teflon-inner lined hose, we’ve achieved a design that not only provide performance but also longevi...

Here, you are looking at the Exedy Stage 3 Hyper Single Metallic Disc Clutch Kit. This clutch has a higher torque capacity rating over OEM to suppo...