ACT HW4-HDG4 Heavy Duty/Race Sprung 4 Pad Kit

The ACT HW4-HDG4 Heavy Duty/Race Sprung 4 Pad Kit is engineered for performance-driven applications, featuring ACT's renowned Heavy Duty pressure plate. This kit is designed to enhance clutch performance, making it a suitable choice for both street and race scenarios.

Key Features

• Utilizes an exclusive diaphragm design to boost clamp load, minimizing deflection and maximizing clutch longevity.
• Four-stage heat treatment process for the diaphragm ensures exceptional performance under stress.
• Precision cover stampings enhance rigidity and consistency, critical for high-performance applications.
• The 4-pad spring-centered race disc effectively dampens torsional vibrations, providing quieter operation while resisting failure in harsh conditions.
• Wraparound spring windows and robust retainer stampings improve spring support and reliability.

Specifications

• Clutch Disc Diameter: 8.3 in (212 mm)
• Disc Material: Ceramic
• Input Spline Quantity: 20
• Input Shaft Diameter: 0.875 in
• Torque Capacity: 300 ft/lbs
• Product Weight: 10.5 lbs
• Release Bearing Included: Yes
• Pilot Bearing Included: Yes
• Grease Included: Yes
• Alignment Tool Included: Yes

Installation Notes

• Refer to the installation instructions for detailed guidance.
• This kit must be paired with a 90-01 SOHC flywheel for proper fitment.

Performance Characteristics

• Offers light to moderate pedal effort with aggressive engagement and mild gear rattle.
• Designed for high horsepower applications, balancing performance and durability.
• 100% clamp load tested and dynamically balanced for reliable high RPM operation.

The ACT HW4-HDG4 kit is specifically compatible with the Honda Civic models from 1989 to 1991, providing a robust solution for enthusiasts looking to enhance their clutch system.