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ACT FM12-HDG6 HD Clutch w/ Race Sprung 6 Pad 64-80 Mercury
ACT FM12-HDG6 HD Clutch w/ Race Sprung 6 Pad 64-80 Mercury
Item# FM12-HDG6-Mercury
Regular price: $449.00
Your price: $350.00

Product Description

ACT FM12-HDG6 Heavy Duty Pressure Plate w/ Race Sprung 6 Pad 64-80 Mercury

This Performance Race 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 an exclusive four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT’s 6-pad, spring-centered race disc features a spring-center construction to properly damp torsional vibrations and resist failure 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 6-pad, spring-centered race disc engagement is harsher, but shifting is fast. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat.


  • A low to moderate pedal feel; aggressive engagement with stock to low to moderate gear rattle
  • Longer clutch life achieved through ACT's exclusive diaphragm design
  • Premium ceramic friction materials provide low wear rates and high heat tolerance
  • Recommended for high horespower street or race use
  • All ACT pressure plates are dynamically computer balanced for smooth operation at high RPM


  • Torque Capacity (ft/lbs.): 550
  • Clamp Load Increase %: 28%
  • SFI: N/A
  • Disc Type: Race Disc
  • Spline Count: 10
  • Spline Size (in.): 11/16''
  • Disc Diameter (in.): 9.8''
  • Disc Diameter (mm.): 250
  • Pressure Plate Type: Heavy Duty
  • Kit Contents: 6250319, ATFC10, F019, RB003
  • Warranty (Product Warranty): 1 year from Retail Purchase


  • 1964 Mercury Caliente 4.7L/4727cc (289ci) V8
  • 1964-1968 Mercury Comet 4.7L/4727cc (289ci) V8
  • 1968-1974 Mercury Comet 5.0L/4949cc (302ci) V8
  • 1975-1977 Mercury Comet 5.0L (302ci) V8
  • 1967-1968 Mercury Cougar 4.7L/4727cc (289ci) V8
  • 1968-1970 Mercury Cougar 5.0L/4949cc (302ci) V8
  • 1970 Mercury Cougar 5.0L/4950cc (302ci) V8
  • 1969 Mercury Cougar Boss 302 5.0L/4950cc (302ci) V8
  • 1969-1970 Mercury Cougar Boss 302 5.0L/4949cc (302ci) V8
  • 1967-1968 Mercury Cougar XR-7 4.7L/4727cc (289ci) V8
  • 1968-1970 Mercury Cougar XR-7 5.0L/4949cc (302ci) V8
  • 1964-1968 Mercury Cyclone 4.7L/4727cc (289ci) V8
  • 1968-1970 Mercury Cyclone 5.0L/4949cc (302ci) V8
  • 1969 Mercury Cyclone CJ 5.0L/4949cc (302ci) V8
  • 1970 Mercury Cyclone GT 5.0L/4949cc (302ci) V8
  • 1969-1970 Mercury Cyclone Spoiler 5.0L/4949cc (302ci) V8
  • 1975-1980 Mercury Monarch 5.0L (302ci) V8
  • 1975-1977 Mercury Monarch Ghia 5.0L (302ci) V8
  • 1976 Mercury Monarch Grand Ghia 5.0L (302ci) V8
  • 1969-1974 Mercury Montego 5.0L/4949cc (302ci) V8
  • 1972-1973 Mercury Montego GT 5.0L/4949cc (302ci) V8
  • 1969-1974 Mercury Montego MX 5.0L/4949cc (302ci) V8
  • 1970-1974 Mercury Montego MX Brougham 5.0L/4949cc (302ci) V8
  • 1970-1974 Mercury Montego VillagerR 5.0L/4949cc (302ci) V8
  • 1978 Mercury Zephyr 5.0L (302ci) V8
  • 1978 Mercury Zephyr Z7 5.0L (302ci) V8

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