ACT NS1-HDR4 Heavy Duty Clutch Kit

The ACT NS1-HDR4 Heavy Duty Clutch Kit is designed for those who demand performance and durability from their vehicle's clutch system. This kit features ACT's renowned Heavy Duty pressure plate, which utilizes a unique diaphragm design to enhance clamp load while minimizing deflection. This means you can expect increased clutch longevity and a more reliable performance under pressure.

One of the standout features of the NS1-HDR4 is its four-stage heat-treating process applied to all diaphragms, ensuring unparalleled performance even in the most demanding situations. The pressure plate boasts precision cover stampings that provide exceptional rigidity and consistency, making it a favorite among racing enthusiasts.

Customer Feedback

"I installed the NS1-HDR4 on my track car, and the difference was immediate. Shifts are quicker, and I feel more connected to the vehicle. Just be prepared for a bit of a harsher engagement!" - James T.

"This clutch has held up beautifully under race conditions. It's definitely more aggressive, but that's what I wanted for my setup." - Sarah L.

Features:

• Light to moderate pedal effort with aggressive engagement and increased gear rattle.
• Moderate friction life, further extended by ACT's exclusive diaphragm design, though the rigid design may increase spline wear.
• Engineered for precision, using select ceramic friction materials for high heat tolerance and maximum performance.
• Recommended for race use only, ensuring it meets the demands of competitive driving.
• Each unit is 100% clamp load tested and dynamically computer balanced for reliable high RPM performance.

Specifications:

• Clutch Master Cylinder Included: No
• Grease Included: Yes
• Grade Type: Performance
• Pilot Bushing Included: Yes
• Pressure Plate Type: Heavy Duty
• Release Bearing Included: Yes
• Clutch Disc Diameter: 9.4 in (240 mm)
• Disc Material: Ceramic
• Input Spline Quantity: 24
• Input Shaft Diameter: 1 in
• Alignment Tool Included: Yes
• Disc Type: Solid
• Pressure Plate Bolts Included: No
• Clutch Slave Cylinder Included: No
• Flywheel Bolts Included: No
• Product Weight: 14.2 lbs
• Torque Capacity: 475 ft/lbs (0.9 over OE)

Installation Instructions:

For detailed installation instructions, please CLICK HERE.