ACT 1991 Mazda Miata HD/Race Sprung 4 Pad Clutch Kit hands ZX6-XTG6 kit features an Xtreme

ZX6-XTG6 kit features an Xtreme pressure plate for the most demanding driver

yet increasing the clamp load by 80-90%

Premium ceramic friction materials provide moderate wear rates and high heat tolerance

but everyone has different opinions on the thickness of fabrics

GM9-SPSS kit features a Sport pressure plate for a nice upgrade

ACT 1991 Mazda Miata HD/Race Sprung 4 Pad Clutch Kit hands ZX6-XTG6 kit features an XtremeZM1 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