ACT 1990 Honda Civic HD/Race Rigid 4 Pad Clutch Kit HC4-HDR4

Must use with 90-01 SOHC flywheel. HD/Race Rigid 4 Pad Light to moderate pedal effort, aggressive engagement, increased gear rattle; Moderate friction life, extended by ACT's exclusive diaphragm design, rigid design may increase spline wear; Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance; Recommended for race use only; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability HC4-HDR4 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 4-pad rigid race discs are made with high quality, ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. With the 4-pad rigid race disc, engagement is harsher, but shifting is faster. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines. Fitment: Honda Civic Base 1989 Honda Civic Base 1990 Honda Civic Base 1991 Honda Civic DX 1989 Honda Civic DX 1990 Honda Civic DX 1991 Honda Civic EX 1990 Honda Civic EX 1991 Honda Civic LX 1989 Honda Civic LX 1990 Honda Civic LX 1991 Honda Civic Si 1989 Honda Civic Si 1990 Honda Civic Si 1991 Honda CRX Base 1989 Honda CRX Base 1990 Honda CRX Base 1991 Honda CRX HF 1989 Honda CRX HF 1990 Honda CRX HF 1991 Honda CRX Si 1989 Honda CRX Si 1990 Honda CRX Si 1991