ACT 86-91 Mazda RX-7 HD/Race Sprung 6 Pad Clutch Kit Model_Civic Si patented Monoloc Collar

patented Monoloc Collar

but will drive normally and deliver power on the Stock ECU

The bolt pattern for the throttle body is same as the B series throttle body

Due to spacing constraints

This is true especially if you have a turbocharger or supercharger kit

ACT 86-91 Mazda RX-7 HD/Race Sprung 6 Pad Clutch Kit Model_Civic Si patented Monoloc CollarZ65 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