Labor Day Sale

Feel the difference, instantly with the PERRIN Super Shifter Stop. Remove loose and sloppy shift gate feel within minutes--no special tools requir...

DESCRIPTION The ACT Heavy Duty Performance Street Disc Clutch Kit is designed for the 2004–2021 Subaru STI and combines high clamp load with durabi...

The Cusco Reinforced Differential Carrier is perfect for those of you who enjoy spirited driving, or the occasional weekend track day in thei...

This is the Exedy OEM Replacement Flywheel. This flywheel has been manufactured to meet or exceed the demands of OEM quality and is available for t...

DESCRIPTION The ACT Heavy Duty Performance Street Disc Clutch Kit with Flywheel is designed for the 2006+ Subaru WRX and provides a balance of stro...

This is Exedy's Stage 1 Organic Clutch Kit. If you have upgrades that include an intake or a cat-back exhaust system with a tune, these upgrades ma...

DESCRIPTION The ACT Xtreme Duty Performance Street Disc Clutch Kit with Flywheel is designed for the 2006+ Subaru WRX and delivers increased holdin...

Throw Your Weight Around The PERRIN shift knob features a heavyweight, solid steel body that is up to two times the weight of the OEM knob. Heav...

This is Exedy's Stage 1 Organic Clutch Kit. If you have upgrades that include an intake or a cat-back exhaust system with a tune, these upgrades ma...

DESCRIPTION The ACT Mod Twin 225 Heavy Duty Sprung Street Twin Disk Clutch Kit for the 2004-2021 STI is built for high-powered AWD street and stree...

The PERRIN Performance transmission mount kit reduces drivetrain movement under hard acceleration, deceleration and cornering. WHY DO I WANT STIFFE...

DESCRIPTION The PERRIN Driveshaft Lockdown Kit is designed to replace the OEM rubber bushings that allow unwanted driveshaft movement under hard ac...

Bolt-on, Direct OE Replacement (Subaru PN: 41022FE010) Thin Layer HD Rubber Type Solid Feel

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...

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...

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

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

Enhance your driving experience with the PERRIN Clutch Delay Valve Delete. This simple upgrade removes the OEM delay valve to improve clutch engage...

Create a solid connection between your steering wheel and car, and increase positive steering feel with the PERRIN Steering Dampener Lockdown. Why ...

The PERRIN Shifter Detent Kit is an inexpensive upgrade that adds a crisp and solid feel to gear changes in your manual transmission WRX or STI. Cr...

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

COMPATIBILITY 2015+ WRX 2004-2021 STI

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...

The South Bend Stage 2 Daily Clutch Kit is the ideal clutch for those of you with basic performance modifications that would otherwise surpass the ...

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...

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...

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

DESCRIPTION The ACT XACT Flywheel StreetLite is designed for the 2006+ Subaru WRX and offers a lightweight, durable upgrade over stock flywheels. P...

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...

DESCRIPTION The ACT 4 Pad Rigid Race Clutch Disc for 2002–2017 Subaru WRX is engineered for race-only applications where aggressive engagement and ...

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 ...