Miata ACT HD Clutch Kit


When your engine puts out performance, you need a Clutch Kit that can handle it properly. All ACT Clutch Kits provide a generous increase in clamp load which directly increases torque capacity. ACT Clutch kits are offered in a number of configurations and there is one developed specifically for your vehicle.

All ACT Clutch Kits include your choice of Pressure Plate, your choice of Clutch Disc, Release Bearing*, Pilot Bearing* and Alignment Tool for a complete and total package.

ACT Heavy Duty 'HD' Clutch Kits (previously known as the 2100 series) include an 'HD' Pressure Plate.

Heavy Duty 'HD' Pressure Plate

  • Great for Street Performance
  • 20% to 50% Clamp Load Increase
  • Best Disc to Use: Street or Sprung Race Disc
  • Stock to Moderate Pedal Feel 
  • Many SFI Certified to Ensure Safety

ACT Heavy Duty 'HD' Clutch Kits included

  • Organic Street Disc (SS, OO, MM)
  • Perfect for Street or Track Vehicles
  • Quiet Operation from OE Quality Torsional Dampeners
  • Sprung Center Reduces Vibrations and Lessen the Shock of Engagement
  • Quicker Shifting and Engagement
  • Increased Strength and Reliability


  • Disc Diameter (in): 8.8
  • Disc Diameter (mm): 224
  • Disc Type: Street Disc
  • Pressure Plate Type: Heavy Duty
  • Product Weight (lbs): 12.5
  • Product Weight (lbs.): 12.5
  • Spline Count: 22
  • Spline Size (in): 15/16
  • Torque Capacity (ft/lbs): 245
  • Torque Capacity (ft/lbs.): 245
  • Torque Capacity Over OE: 50%