2004-2007 STI

CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your WRX/STI running at its best, a ...

T2S-S07 Mod-Twin 225 XT Rigid Street Kit blends easy pedal feel, smooth but positive engagement with quick shifting for high powered AWD’s by combi...

T2S-S05 Mod-Twin 225 XT Sprung Street Kit is designed for high powered AWD street cars. It unites uncompromised pedal feel, durability, engagement ...

T2R-S05 Mod-Twin 225 XT Sprung Race Kit performs aggressive launches and smoother shifting in high powered AWD’s by combining twice the ceramic fri...

T1S-S07 Mod-Twin 225 HD Rigid Street Kit blends easy pedal feel, smooth but positive engagement with quick shifting for high powered AWD’s by combi...

T1S-S05 Mod-Twin 225 HD Sprung Street Kit is designed for high powered AWD street cars. It unites uncompromised pedal feel, durability, engagement ...

T1R-S05 Mod-Twin 225 HD Sprung Race Kit performs aggressive launches and smoother shifting in high powered AWD’s by combining twice the ceramic fri...

SB10-XTSS kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme pressure plates use exclusive diaphragm design to increas...

SB10-XTG6 kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme pressure plates use exclusive diaphragm design to increas...

SB10-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diap...

SB10-HDR6 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clam...

SB10-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clam...

SB019 is an ACT pressure plate that uses exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphra...

RB601 is a high quality, direct-fit release bearing that meets or exceeds OE standards.This Part Fits: Year Make Model Submodel 2000-2005 Mitsub...

PB1004 is a high quality replacement bushing or bearing that is placed in the end of the crankshaft or in the center of the flywheel, depending on ...

Aggressive engagement, quick shifts, mild to moderate gear rattle; Premium ceramic friction materials provide moderate wear rates and high heat tol...

6240018 is a 6-pad rigid race disc made with high quality ceramic friction materials. The disc engagement is harsher, but shifting is faster. The r...

Dramatically improved engine response and acceleration, mild to moderate gear rattle; Heat-treated forging for strength and toughness, induction-ha...

Noticeably improved engine response and acceleration, OE to mild gear rattle; Heat-treated forging for strength and toughness, induction-hardened r...

3000503 is a performance street disc and the most popular disc purchased. It features premium organic materials with high copper content for better...

Re-engineered Rear Trailing Arm Bushings dramatically help the vehicle maintain proper rear toe and caster under high performance driving condition...

Energy Suspension performance polyurethane sway bar bushings and end links offer the greatest improvement in performance among all the products Ene...