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ACT Heavy Duty Race Sprung 4-pad clutch kit for 2017–2019 Honda Civic Si combines ACT's Heavy Duty diaphragm pressure plate with a 4-pad spring-centered race disc for quicker shifting and reliable torsional damping in smaller engines. All diaphragms undergo a four-stage heat treatment and pressure plate stampings provide rigidity and consistency; spring retainers and thicker stampings increase strength and resistance to failure under demanding conditions.
ACT 17-19 Honda Civic Si HD/Race Sprung 4 Pad Clutch Kit
