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The ACT Sport/Perf Street HW4‑SPSS clutch kit for 1990 Honda Civic pairs a Sport pressure plate with a Performance street sprung disc for upgraded street use. The pressure plate uses a diaphragm design and four‑stage heat treating to increase clamp load and reduce deflection. The street disc features premium organic friction with high copper content and a steel‑backed lining for improved heat transfer, durability, reduced marcel, quieter engagement, and more reliable shifting, backed by a one‑year warranty.
ACT 1990 Honda Civic Sport/Perf Street Sprung Clutch Kit
