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The ACT HD/Perf Street sprung clutch kit for 1991 Mazda Miata combines ACT's Heavy Duty pressure plate with a performance street sprung disc to improve drivability and durability for spirited street use. The diaphragm pressure plate is heat-treated in four stages for increased clamp load and consistency, while the organic, high-copper street disc improves heat transfer and burst strength. Reduced marcel and steel backing deliver smoother shifts, backed by a one-year warranty.
ACT 1991 Mazda Miata HD/Perf Street Sprung Clutch Kit
