Cornflowers Among Other Wildflowers Bee Meadow Flower Meadow Stock ACT 1988 Mazda 929 HD Race Sprung 6 Pad Clutch Kit. Z64 HDG6 kit features ACT's most popular Heavy Duty pressure plate. 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 6 pad, spring centered race disc features a spring center to properly damp torsional vibrations and resist failure under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 6 pad, spring centered race disc, engagement is harsher, but shifting is faster. The 6 pad, spring centered disc is recommended for larger clutch sizes to absorb more heat. This Part Fits: Year Make Model Submodel 1989 1992 Ford Probe GT 1990 1991 Mazda 626 GT 1988 1989 Mazda 626 Turbo 1988 Mazda 929 Base 1988 1992 Mazda MX 6 GT 1989 1990 Mazda MX 6 GT 4WS