SKU: actSB10-HDSS ACT HD Performance Street Clutch Kit for 04-21 Subaru STI, 07-09 Legacy GT Spec B

ACT Heavy Duty Performance Street Clutch Kit for 04-21 Subaru STI, 07-09 Legacy GT Spec B

The ACT SB10-HDSS kit combines the renowned Heavy Duty pressure plate with the high-performance street disc, offering a reliable and durable solution for demanding drivers. The Heavy Duty pressure plate features an exclusive diaphragm design to enhance clamp load, reduce deflection, and maximize clutch life. Precision cover stampings ensure rigidity and consistency, while the four-stage heat-treating process delivers exceptional performance. Paired with ACT's Performance street discs, this kit offers premium organic materials with high copper content for superior heat transfer and steel-backed lining for enhanced burst strength and durability. The reduced marcel design allows faster shift action, perfectly complementing the pressure plate for smooth and quiet operation.

Upgrade your clutch system with the Monoloc, a one-piece replacement for the standard two-piece wedge collar and wire ring found in pull-type clutches. Constructed from hardened chrome-moly steel, Monoloc ensures uniform loading on the bearing and pressure plate, delivering precise alignment regardless of vehicle modifications or driver input. Tested for optimal spring tension, Monoloc provides unmatched strength and reliability for years of dependable service.

Experience unmatched performance, durability, and value with the ACT SB10-HDSS Heavy Duty Clutch Kit, designed for drivers who demand the best.

Important Note About Vehicle Fitment

Our vehicle fitment selection tool is currently in development, and we’re working hard to ensure the accuracy of our data. While most models and trims should be correct, there may be some instances where fitment information is incomplete or an alternative option is available.

If you’re unsure about the compatibility of a part with your vehicle, please don’t hesitate to reach out to us for assistance. Our team is here to help you find the perfect fit!