ACT HC12-HDSS HD Street Sprung Clutch Kit for 17-26 Civic Type R/Integra Type S

Vehicle Fitment

• 2017-2021 Honda Civic Type R (FK8, 2.0L Turbo I4, FWD, 6MT)
• 2023-2026 Honda Civic Type R (FL5, 2.0L Turbo I4, FWD, 6MT)
• 2024-2026 Acura Integra Type S (DE5, 2.0L Turbo I4, FWD, 6MT)

Fitment Notes

• Includes lightweight Streetlite flywheel - must be used with supplied flywheel
• Designed for street and mild track use - not intended for dedicated drag applications
• Professional installation and proper break-in recommended for optimal performance

Features

• Heavy-duty pressure plate increases clamp load while maintaining moderate pedal feel
• Sprung organic street disc provides smooth engagement and excellent drivability
• Torque capacity rated up to 412 ft-lb - approx. 33% increase over stock
• Lightweight Streetlite flywheel reduces rotational mass for quicker rev response
• Clutch assembly is precision balanced and spin-tested for vibration-free operation
• High-copper organic friction material improves heat dissipation and durability
• Ideal for street performance builds with bolt-ons, ECU tunes, or mild forced induction
• Includes all necessary hardware for installation, including pilot and release bearings

Specifications

• Part Number: HC12-HDSS
• Clutch Type: Heavy Duty Street Sprung
• Torque Capacity: 412 ft-lb (559 Nm)
• Clutch Disc Diameter: 9.4 in (240 mm)
• Spline Count: 24
• Input Shaft Diameter: ~1.0325 in (26.2 mm)
• Flywheel Included: Yes (Streetlite lightweight flywheel)
• Disc Material: High-copper organic friction
• Pressure Plate Type: Diaphragm-style heavy duty
• Drivetrain: FWD

Included Components

• 1x Heavy Duty pressure plate
• 1x Performance Street Sprung organic disc
• 1x Streetlite lightweight flywheel
• 1x Pilot bearing
• 1x Release bearing
• 1x Clutch alignment tool
• Flywheel and pressure plate bolts
• Installation instructions

Product Description

The ACT HC12-HDSS Heavy Duty Street Sprung Clutch Kit is engineered for enthusiasts seeking improved torque handling, faster response, and smooth street drivability in their 2017-2024 Honda Civic Type R or 2024 Acura Integra Type S. This complete clutch solution includes a heavy-duty diaphragm pressure plate, a sprung organic friction disc, and a lightweight Streetlite flywheel.

Rated for up to 412 ft-lb of torque, the HC12-HDSS offers approximately 33% more holding capacity than stock while maintaining a manageable pedal feel. The high-copper organic disc ensures smooth engagement and durability under spirited driving. Ideal for street builds with bolt-ons or mild tuning, this kit delivers reliable power transfer, enhanced drivability, and long-term performance without compromising comfort.