ACT For America ACT Test Dates and Registration Deadlines 2025 2026 Test Innovators Environment Protection Act, 1986 (EPA, 1986) Media Services Act at Oliver Howell price blog ACT 1991 Mazda Miata XT Race Sprung 4 Pad Clutch Kit. ZM2 XTG4 kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme 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 construction 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. This Part Fits: Year Make Model Submodel 1999 Mazda Miata 10th Anniversary 1990 1997,1999 2005 Mazda Miata Base 1993 Mazda Miata LE 2000 2005 Mazda Miata LS 1994 1997 Mazda Miata M Edition 2004 2005 Mazda Miata Mazdaspeed 1991,2000 2003 Mazda Miata SE 2003 Mazda Miata Shinsen 1997 Mazda Miata STO