ACT TK1-HDR4 Heavy Duty Clutch Kit

If you're looking to enhance your vehicle's performance, the ACT TK1-HDR4 Heavy Duty/Race Rigid 4 Pad Kit is engineered specifically for those who demand more from their clutch system. This kit features ACT's most popular Heavy Duty pressure plate, designed to deliver increased clamp load while minimizing deflection, ultimately extending the life of your clutch. All diaphragms go through a rigorous four-stage heat-treating process to ensure unmatched performance, making it a top choice for serious drivers.

Fitment

The TK1-HDR4 is compatible with a range of vehicles, providing a perfect fit for those who want to push their machines to the limit. Whether you're a Honda Civic owner looking for that extra bite during spirited driving or a Subaru WRX enthusiast seeking quick shifts on the track, this clutch kit is designed to meet your needs.

Performance Features

• Light to moderate pedal effort with aggressive engagement for a direct feel.
• Engineered with a rigid design that may increase gear rattle but enhances shifting speed.
• Utilizes high-quality ceramic friction materials for superior heat tolerance and performance.
• Perfect for race use, ensuring you get the most out of your engine's power.
• Each unit is 100% clamp load tested and dynamically computer balanced, ensuring smooth operation even at high RPMs.

Technical Specifications

• Clutch Disc Diameter: 7.9 in (200 mm)
• Disc Material: Ceramic
• Input Spline Quantity: 21
• Input Shaft Diameter: 0.9375 in
• Product Weight: 9.8 lbs
• Torque Capacity: 265 ft/lbs
• Pressure Plate Type: Heavy Duty
• Release Bearing Included: Yes
• Pilot Bearing Included: Yes
• Grease Included: Yes
• Alignment Tool Included: Yes

Installation Instructions

Ready to install? For detailed installation instructions, CLICK HERE.

Customer Feedback

I installed the TK1-HDR4 on my 2020 Subaru WRX, and the difference is night and day. The engagement is aggressive, but shifts are lightning-fast. No more hesitation when I m shifting hard on the track! - James, WRX Owner

After putting this clutch kit in my 2018 Civic Si, I can confidently say it s a game changer. The pedal feel is just right, and I can feel the extra torque transfer. Highly recommend for anyone serious about performance! - Mike, Civic Si Owner

Upgrade your ride with the ACT TK1-HDR4 Heavy Duty Clutch Kit engineered for those who demand reliability and performance on the road or track.