ACT Heavy Duty Performance Street Disc Clutch Kit STI (2004-2018) Mazda Pulley Power Package Includes:

Pulley Power Package Includes:

no corners were cut in the fabrication of each and every one of these intakes

This extra work provides the best laminar flow of intake air

The more rigid design of the PSRS eliminates suspension misalignment making your MINI handle consistently and predictably during all driving conditions

ACT Heavy Duty Performance Street Disc Clutch Kit STI (2004-2018) Mazda Pulley Power Package Includes:The SB10 HDSS kit from ACT for the Subaru STI features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance