ACT HW4-HDR4 Heavy Duty 4 Pad Clutch Kit

If you're a Honda Civic owner from 1989 to 1991 looking to enhance your ride's performance, the ACT HW4-HDR4 Heavy Duty 4 Pad Clutch Kit is a must-have upgrade. This kit features ACT's most popular heavy-duty pressure plate, designed with an exclusive diaphragm that increases clamp load, reduces deflection, and maximizes clutch life. Each diaphragm undergoes a meticulous four-stage heat-treating process, ensuring unparalleled performance on the road or track.

Fitment

• Compatible with: Honda Civic 1989-1991

Key Features

• Light to moderate pedal effort with aggressive engagement for a more connected driving experience.
• Moderate friction life extended by ACT's exclusive diaphragm design; however, the rigid design may increase spline wear.
• Precision-engineered and dynamically balanced for smooth high RPM reliability.
• Constructed from high-quality ceramic friction materials for excellent heat tolerance and performance.
• Recommended for race use, making it ideal for track enthusiasts.

Technical Specifications

• Clutch Disc Diameter: 8.3 in (212 mm)
• Disc Material: Ceramic
• Input Spline Quantity: 20
• Input Shaft Diameter: 0.875 in
• Pressure Plate Type: Heavy Duty
• Torque Capacity: 300 ft/lbs
• Weight: 9.7 lbs

Installation Notes

For installation instructions, CLICK HERE.

Note: This clutch kit must be used with a 90-01 SOHC flywheel.

Customer Feedback

One satisfied Civic owner remarked, "After installing the ACT HW4-HDR4, I noticed a significant difference in my shifts. The engagement is definitely more aggressive, but it allows for quicker gear changes, particularly during spirited driving. I paired it with a lightweight flywheel, and it transformed my daily driver into a track-ready machine!"

Upgrade your Honda Civic's clutch system with the ACT HW4-HDR4 Heavy Duty 4 Pad Clutch Kit and experience the difference in performance and reliability that serious drivers demand.