ACT Heavy Duty Clutch Kit 2004-2021 STI

ACT makes some of the best aftermarket clutches in the business, and we use them in our own Mach V project cars.  This Heavy Duty ACT clutch package delivers significantly better power handling AND durability over the stock clutch, with minimal driveability trade-offs. All ACT clutches use new, not rebuilt, parts.

The kit includes a throwout bearing, pilot bearing, and an alignment tool — everything you need for installation. Full-face disc, heavy duty pressure plate. Rated to 515 ft-lbs of torque.

Tech Tip : Torque clutch cover bolts to 26 ft lbs in a crisscross method.

Fits all 2004-2021 WRX STI.