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The ACT HD/Race sprung 4-pad clutch kit for the 1991 Mazda Miata pairs a heavy-duty diaphragm pressure plate with ACT’s 4-pad spring-centered race disc to increase clamp load and damp torsional vibrations. Heat-treated diaphragms and precision cover stampings boost rigidity and life; engagement is harsher with faster shifting. Backed by ACT’s stated one-year warranty, it’s aimed at spirited street and track use.
ACT 1991 Mazda Miata HD/Race Sprung 4 Pad Clutch Kit
