ACT HD/Race Sprung 4 Pad Kit | 2006-2015 Mazda MX-5 Miata (ZM4-HDG4)

ACT HD/Race Sprung 4 Pad Kit

ZM4-HDG4 kit features ACT’s most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT’s 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT’s 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines.

Features

• Torque Capacity (ft/lbs.): 355
• Torque Capacity Over OE: 0.87
• Pilot Bushing Included: Yes
• Pressure Plate Type: Heavy Duty
• Release Bearing Included: Yes
• Clutch Disc Diameter (in.): 8.8
• Clutch Disc Diameter (mm): 224
• Disc Material: Ceramic
• Input Spline Quantity: 23
• Input Shaft Diameter (in.): 1
• Alignment Tool Included: Yes
• Product Weight (lbs.): 13.4

Applications

• 2006-2015 Mazda MX-5 Miata

What’s In The Box?

• Clutch Friction Disc (4224208)
• Clutch Alignment Tool (AT03)
• Clutch Pressure Plate (MZ018)
• Clutch Pilot Bearing (PB1030)
• Clutch Release Bearing (RB110)

References

• Installation Instructions

Warranty

• Manufacturer 1 Year Warranty