The HC10-HDSS kit pairs ACT's Heavy Duty pressure plate with its Performance Street Sprung disc, ACT's most popular street-focused combination for the 10th-generation Civic/Integra platform. The Heavy Duty pressure plate uses ACT's exclusive diaphragm design to increase clamp load and reduce deflection, with each diaphragm undergoing a four-stage heat-treating process and precision cover stampings for consistency. The Performance Street disc uses premium organic friction material with high copper content for better heat transfer, backed by a steel disc for greater burst strength, with reduced marcel for a faster shift feel. This is a conversion kit that includes an ACT flywheel plus flywheel and pressure plate hardware.
Warranty | Installation Instructions
Specifications
- Pressure Plate: ACT Heavy Duty (four-stage heat-treated diaphragm design, precision cover stampings)
- Disc: Performance Street Sprung (organic friction material, steel-backed)
- Clamp Load Increase: 20-50% over stock
- Balance: Computer spin balanced to within .25 oz-in
- Warranty: 12-Month ACT "Excellence in Performance" Limited Warranty
- Torque Capacity: 363 ft-lbs at the engine/crank
- Kit Type: Conversion kit, includes ACT Streetlite flywheel and hardware
- Part Number: ACTHC10-HDSS
Vehicle Applications
Confirmed fitment, listed by individual model year:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017 | Honda | Civic | EX-T |
| 2017 | Honda | Civic | LX |
| 2017 | Honda | Civic | Si |
| 2017 | Honda | Civic | Sport |
| 2017 | Honda | Civic | Sport Touring |
| 2018 | Honda | Accord | LX |
| 2018 | Honda | Accord | Sport |
| 2018 | Honda | Civic | EX |
| 2018 | Honda | Civic | EX-L |
| 2018 | Honda | Civic | EX-T |
| 2018 | Honda | Civic | LX |
| 2018 | Honda | Civic | Si |
| 2018 | Honda | Civic | Sport |
| 2018 | Honda | Civic | Touring |
| 2019 | Honda | Accord | Sport |
| 2019 | Honda | Civic | LX |
| 2019 | Honda | Civic | Si |
| 2019 | Honda | Civic | Sport |
| 2020 | Honda | Accord | Sport |
| 2020 | Honda | Civic | LX |
| 2020 | Honda | Civic | Si |
| 2020 | Honda | Civic | Sport |
| 2020 | Honda | Civic | Sport Touring |
| 2021 | Honda | Civic | Sport |
| 2021 | Honda | Civic | Sport Touring |
| 2022 | Honda | Civic | Si |
| 2022 | Honda | Civic | Sport |
| 2022 | Honda | Civic | Sport Touring |
| 2023 | Acura | Integra | A-Spec |
| 2023 | Acura | Integra | Elite A-Spec |
| 2023 | Honda | Civic | Si |
| 2023 | Honda | Civic | Sport Touring |
| 2024 | Acura | Integra | A-Spec |
| 2024 | Acura | Integra | Elite A-Spec |
| 2024 | Honda | Civic | Si |
| 2024 | Honda | Civic | Sport Touring |
| 2025 | Acura | Integra | A-Spec |
| 2025 | Acura | Integra | Elite A-Spec |
| 2025 | Honda | Civic | Si |
| 2026 | Acura | Integra | A-Spec |
| 2026 | Honda | Civic | Si |
California Prop 65 Warning: This product can expose you to chemicals including carbon black, glass wool fibers, and silica (in clutch discs), chromium and nickel, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Are ACT clutch kits balanced?
Yes. Every ACT clutch assembly is computer spin-balanced to within .25 oz-in, tighter than the .50 oz-in typical of stock production clutches, for smoother operation across the RPM range.
Will this clutch increase pedal effort?
ACT pressure plates are engineered for higher torque capacity, so pedal effort typically increases 15-40% with a Heavy Duty pressure plate and 50-80% with an Xtreme pressure plate compared to stock, depending on the application.
Does this clutch need a break-in period?
Organic street discs should be broken in for 300-500 miles of mild, stop-and-go driving before spirited use. Race discs generally only need a few hard slips to lap the surfaces before normal use. Avoid overheating the clutch during break-in, as this can glaze the friction surfaces.
Is this clutch kit repairable or rebuildable?
In some cases a rebuild or repair may be possible after inspection; contact ACT's technical department for guidance, and use a qualified clutch specialist due to the kit's specialized components.
