ACT 07-13 Mazda Mazdaspeed3 XT/Race Rigid 4 Pad Clutch Kit w/Streetlite Flywheel

Item SKU: ZX5-XTR4

ACT Transmission Clutch Kit for the 2007-2013 Mazda Mazdaspeed3. This ZX5-XTR4 single-disc kit pairs ACT's Xtreme pressure plate and rigid 4-pad ceramic race disc with a Streetlite flywheel. It's a race-use-only setup for Mazdaspeed3 owners who need a clutch built around high-RPM use and fast shifts, not stop-and-go comfort.

• Pressure plate: ACT Xtreme pressure plate with an exclusive diaphragm design intended to increase clamp load, reduce deflection, and support clutch life. The diaphragm receives a four-stage heat treatment, and the cover uses precision stampings for rigidity and consistency.
• Race disc: Rigid 4-pad disc with select ceramic friction material for heat tolerance. Its heat-treated chrome-moly hub is made for the demands of a rigid race-disc setup.
• Engagement: Expect aggressive engagement, moderate-to-heavy pedal effort, and more gear rattle than a sprung street disc. The rigid design can also increase spline wear.
• Flywheel: Includes ACT's Streetlite flywheel as part of the ZX5-XTR4 kit.
• Assembly: Each kit is clamp-load tested and dynamically computer balanced for smooth operation at high RPM.

This stuff is intentionally less forgiving than a street-oriented clutch. The rigid 4-pad layout cuts out the damping and softer engagement you get from a sprung organic disc, so launches and low-speed driving take more care. In return, the disc's light, rigid construction is suited to quicker shifts. Friction life is moderate, with ACT's diaphragm design intended to help extend it. For a Mazdaspeed3 that sees race use, it addresses the need for a ceramic, rigid-hub clutch and matched lightweight flywheel in one kit.