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Clutches

engineered technology
 

From stock replacement to professional-level racing, all Quarter Master® clutches are built with premium internal friction material for high torque capacity and engineered to reduce moment of inertia for lightweight power transfer. With service kits and replacement friction discs available, a Quarter Master® clutch is a race-winning investment.

From stock replacement to professional-level racing, all Quarter Master® clutches are built with premium internal friction material for high torque capacity and engineered to reduce moment of inertia for lightweight power transfer. With service kits and replacement friction discs available, a Quarter Master® clutch is a race-winning investment.

From stock replacement to professional-level racing, all Quarter Master® clutches are built with premium internal friction material for high torque capacity and engineered to reduce moment of inertia for lightweight power transfer. With service kits and replacement friction discs available, a Quarter Master® clutch is a race-winning investment. From stock replacement to professional-level racing, all Quarter Master® clutches are built with premium internal friction material for high torque capacity and engineered to reduce moment of inertia for lightweight power transfer. With service kits and replacement friction discs available, a Quarter Master® clutch is a race-winning investment.

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Pro-Series

  • Available with steel or aluminum covers
  • Great for road racing, speedway & short track
  • Low MOI; weighs just 12 lbs, for 2-disc or 13.5 lbs. for 3-disc

V-Drive Clutches

  • 8-leg open cover design offers strength & effective heat dissipation
  • Perfect for sportsman circle track, road course and off-road racers
  • Delivers ideal balance of light weight, proven durability and value
  • Premium internal friction material for high torque capacity
  • Racer rebuildable frictions and floaters provide long service life

Optimum-V

  • 6-leg design with gas slots for maximum cooling
  • Extremely light for quicker starts & deeper braking
  • Bronze sintered metallic frictions resist wear & heat
  • Integrated wear pins hold clearances for longer cover life
  • Racer rebuildable internals & one-piece aluminum cover

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  1. Optimum-SR™ 10.4" Two-Disc Clutch, Flywheel & Release Bearing
  2. Optimum-SR™ 10.4" Two-Disc Clutch, Flywheel & Release Bearing

    Optimum-SR™ 10.4" Two-Disc Clutch, Flywheel & Release Bearing

    $2,799.98

    '10-'14 Mustang GT500
    '12-'13 Mustang Boss 302R

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  3. Optimum-SR™ 10.4" Single-Disc Clutch, Flywheel & Release Bearing
  4. Optimum-SR™ 10.4" Single-Disc Clutch, Flywheel & Release Bearing

    Optimum-SR™ 10.4" Single-Disc Clutch, Flywheel & Release Bearing

    $2,199.98

    '10-'14 Mustang GT500
    '12-'13 Mustang Boss 302R

    Learn More
  5. 5.5" V-Drive Clutch Complete Service Kit - 2-Disc, 1-1/8 x 10-Spline

    5.5" V-Drive Clutch Complete Service Kit - 2-Disc, 1-1/8 x 10-Spline

    $315.71
    5.5" V-Drive Clutch Complete Service Kit - 2-Disc, 1-1/8 x 10-Spline Learn More
  6. Quarter Master® 7.25" 2004-2011 Subaru WRX STI 8-Leg Billet Clutch Kit (Street Performance)

    7.25" 2004-2011 Subaru WRX STI 8-Leg Billet Clutch (Street Performance Clutch)

    $2,306.64
    7.25" 2004-2011 Subaru WRX STI 8-Leg Billet Clutch (Street Performance Clutch) Learn More
  7. 7.25" 2004-2011 Subaru WRX STl 8-Leg Billet Clutch (Race Clutch)
  8. Late Chevy 7.25" Optimum-V Clutch and Button Unit

    7.25" Optimum-V 3-Disc Clutch & Button Unit; 1-1/8 x 10-Spline

    $1,148.00

    LATE CHEVY (1-Piece Rear Seal, External Balance)

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  9. Late Chevy 7.25" Optimum-V Clutch and Button Unit

    7.25" Optimum-V 3-Disc Clutch & Button Unit; 1-5/32 x 26-Spline

    $1,077.14

    LATE CHEVY (1-Piece Rear Seal, External Balance)

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  10. Balanced Late Chevy 7.25" Optimum-V Clutch and Button Unit

    7.25" Optimum-V 2-Disc Balanced Clutch & Button Unit; 1-1/8 x 10-Spline

    $988.00

    LATE CHEVY (1-Piece Rear Seal, External Balance)

    Learn More

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