ACT 1990 Honda Civic Sport/Race Rigid 4 Pad Clutch Kit

HC4-SPR4 kit features a Sport pressure plate for a nice upgrade. ACT Sport 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. Sport/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

• "Excellence in Performance", backed by the best one-year warranty in the industry!

Upgrade your 1990-1991 Honda Civic with the ACT 90981 Sport/Race Rigid 4 Pad Clutch Kit, engineered for enthusiasts seeking aggressive engagement and reliable performance. This kit features an ACT Sport pressure plate with an exclusive diaphragm design that enhances clamp load, reduces deflection, and extends clutch life. Its heat-treated diaphragms ensure consistent, high-performance operation under demanding conditions. The precision cover stampings provide additional rigidity and consistency, contributing to smoother engagement and overall durability. The included 4-pad rigid race disc utilizes high-quality ceramic friction materials capable of withstanding high heat, making it ideal for racing applications where maximum performance is essential. The chrome-moly hub is heat-treated for strength and durability, ensuring longevity even under extreme use. The lightweight, rigid design facilitates quicker shifts and trouble-free service, with a harsher engagement characteristic that benefits aggressive driving styles. This setup is optimized for smaller engine sizes, particularly in the Honda Civic models from the early 1990s, offering a significant performance upgrade over stock clutches. Designed for race use only, the ACT clutch kit undergoes rigorous testing, including 100% clamp load testing and dynamic computer balancing for smooth high RPM operation. The kit delivers a balance of moderate pedal effort, aggressive engagement, and increased gear rattle, making it suitable for competitive driving scenarios. Backed by ACT’s industry-leading one-year warranty, this clutch kit provides a dependable solution for racers and performance enthusiasts alike, seeking to maximize their vehicle’s shifting response and durability.

Features:

• Sport pressure plate with exclusive diaphragm design for increased clamp load and reduced deflection

• Heat-treated diaphragms for consistent high-performance operation

• Precision cover stampings for enhanced rigidity and uniformity

• High-quality ceramic friction materials for high heat tolerance

• Lightweight, rigid design for quicker shifts and smooth engagement

• Chrome-moly hub for strength and durability under extreme conditions

• Designed specifically for smaller engine sizes in early 1990s Honda Civics

• Harsher engagement ideal for racing applications

• Rigorous testing including clamp load testing and dynamic computer balancing

• Backed by a one-year warranty for performance assurance

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 Civic Wagovan 1989
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