# ACT HC5-HDR4 HD/Race Rigid 4 Pad for 1997–2005 Acura EL ACT Heavy-Duty Clutch Kits are high quality products guaranteeing superior functionality and efficiency. These products provide a clamp load increase up to 50 percent, increasing torque capacity. Important Note: 4-paddle solid center disc. **Key Features:** - Spline Size (Inches): 7/8 - Disc Type: Race Disc - Spline Count: 20 - Product Weight (lbs.): 9.7 - Torque Capacity (ft./lbs.): 300 - 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 HC5-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. Since 1994, Advanced Clutch Technology has specialized in performance clutches and flywheels. All products are made from the highest quality materials and then necessarily tested to ensure they perform to the customers' expectations. ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1997 Acura EL Trim: BASE; Engine: 1.6L 1998 Acura EL Trim: BASE; Engine: 1.6L 1999 Acura EL Trim: BASE; Engine: 1.6L 2000 Acura EL Trim: BASE; Engine: 1.6L 2001 Acura EL Trim: BASE; Engine: 1.7L 2002 Acura EL Trim: BASE; Engine: 1.7L 2003 Acura EL Trim: BASE; Engine: 1.7L 2004 Acura EL Trim: BASE; Engine: 1.7L 2005 Acura EL Trim: BASE; Engine: 1.7L 1992 Honda Civic Trim: CX, DX, EX, LX, Si, VX; Engine: 1.5L, 1.6L 1993 Honda Civic Trim: CX, DX, EX, LX, Si, VX; Engine: 1.5L, 1.6L 1994 Honda Civic Trim: CX, DX, EX, LX, Si, VX; Engine: 1.5L, 1.6L 1995 Honda Civic Trim: CX, DX, EX, LX, Si, VX; Engine: 1.5L, 1.6L 1996 Honda Civic Trim: CX, DX, EX, HX, LX, Si; Engine: 1.6L 1997 Honda Civic Trim: CX, DX, EX, EX-R, HX, LX, Si; Engine: 1.6L 1998 Honda Civic Trim: CX, DX, EX, EX-R, HX, LX, Si; Engine: 1.6L 1999 Honda Civic Trim: CX, DX, EX, EX-R, HX, LX; Engine: 1.6L 2000 Honda Civic Trim: CX, DX, EX, EX-R, HX, LX; Engine: 1.6L 2001 Honda Civic Trim: DX, EX, HX, LX; Engine: 1.7L 2002 Honda Civic Trim: DX, EX, HX, LX, Si; Engine: 1.7L 2003 Honda Civic Trim: DX, EX, HX, LX, Si; Engine: 1.7L 2004 Honda Civic Trim: DX, EX, HX, LX, Si, VALUE PACKAGE; Engine: 1.7L 2005 Honda Civic Trim: DX, EX, EX Special Edition, HX, LX, LX SPECIAL EDITION, REVERB, Si, VALUE PACKAGE; Engine: 1.7L 1993 Honda Civic DEL SOL Trim: S, Si; Engine: 1.5L, 1.6L 1994 Honda Civic DEL SOL Trim: S, Si; Engine: 1.5L, 1.6L 1995 Honda Civic DEL SOL Trim: S, Si; Engine: 1.5L, 1.6L 1996 Honda Civic DEL SOL Trim: S, Si; Engine: 1.6L 1997 Honda Civic DEL SOL Trim: S, Si; Engine: 1.6L ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase. **What part number is this?** The listed part number is HC5-HDR4. **Is this product designed for direct replacement?** Yes. This product is intended to match the compatible vehicle applications listed in the fitment table. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering. ### Common Searches - HD/Race Rigid 4 Pad for Acura EL - HC5-HDR4 fitment - ACT HD/Race Rigid 4 Pad - 1997–2005 Acura EL HD/Race Rigid 4 Pad - ACT HC5-HDR4 replacement ## Details - **Price:** 1052.25 CAD - **Vendor:** ACT - **Type:** HD/Race Rigid 4 Pad - **Tags:** 1997–2005 Acura EL, ACT, Clutch, Clutch Disc, Flywheel, HC5-HDR4, HD/Race Rigid 4 Pad, Performance Clutch, Pressure Plate ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1052.25 CAD | In stock | ## Images - ACT HC5-HDR4 HD/Race Rigid 4 Pad for 1997–2005 Acura EL --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/act-hc5-hdr4-hd-race-rigid-4-pad) > Updated: 2026-10-16