ACT ZM4-HDR6 Heavy Duty/Race Rigid 6 Pad Kit

The ACT ZM4-HDR6 Heavy Duty/Race Rigid 6 Pad Kit is engineered for high-performance applications, particularly suited for the Mazda Miata from 2006 to 2015. This kit features ACT's renowned Heavy Duty pressure plate, designed with an exclusive diaphragm that increases clamp load while minimizing deflection, ensuring enhanced clutch longevity and performance under demanding conditions.

Key Features

• Heavy Duty pressure plate with a unique diaphragm design for improved clamp load.
• Precision cover stampings enhance rigidity and consistency during operation.
• 6-pad rigid race discs constructed from high-quality ceramic friction materials for superior heat tolerance.
• Lightweight, rigid design facilitates quicker shifts, though it may result in a harsher engagement.
• Recommended for race use, providing a torque capacity of 359 ft/lbs.

Specifications

• Clutch Disc Diameter: 8.8 inches (224 mm)
• Input Spline Quantity: 23
• Input Shaft Diameter: 1 inch
• Disc Type: Solid
• Product Weight: 12.5 lbs
• Torque Capacity Over OE: 0.71

Installation Notes

• 6-speed applications only.
• Pressure plate bolts included (M8-1.25 x 20mm).
• Grease and alignment tool included for easier installation.

For detailed installation instructions, CLICK HERE.

Additional Information

• Moderate friction life, extended by ACT's diaphragm design; however, the rigid design may lead to increased spline wear.
• 100% clamp load tested and dynamically balanced for reliable performance at high RPMs.