ACT 1991 Mazda Miata HD/Race Sprung 4 Pad Clutch Kit ZM2-HDG4

"Excellence in Performance", backed by the best one-year warranty in the industry! HD/Race Sprung 4 Pad Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle; Moderate friction life, extended by ACT's exclusive diaphragm design; Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance; Recommended for high horsepower street or race use; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability ZM2-HDG4 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 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even 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 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines. Fitment 1990 Mazda Miata Base 1991 Mazda Miata Base 1991 Mazda Miata SE 1992 Mazda Miata Base 1993 Mazda Miata Base 1993 Mazda Miata LE 1994 Mazda Miata Base 1994 Mazda Miata M Edition 1995 Mazda Miata Base 1995 Mazda Miata M Edition 1996 Mazda Miata Base 1996 Mazda Miata M Edition 1997 Mazda Miata Base 1997 Mazda Miata M Edition 1997 Mazda Miata STO 1999 Mazda Miata 10th Anniversary 1999 Mazda Miata Base 2000 Mazda Miata Base 2000 Mazda Miata LS 2000 Mazda Miata SE 2001 Mazda Miata Base 2001 Mazda Miata LS 2001 Mazda Miata SE 2002 Mazda Miata Base 2002 Mazda Miata LS 2002 Mazda Miata SE 2003 Mazda Miata Base 2003 Mazda Miata LS 2003 Mazda Miata SE 2003 Mazda Miata Shinsen 2004 Mazda Miata Base 2004 Mazda Miata LS 2004 Mazda Miata Mazdaspeed 2005 Mazda Miata Base 2005 Mazda Miata LS 2005 Mazda Miata Mazdaspeed