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.
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.
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Early Chevy - 2 Disc 1-1/8 x 10 - 4.5" Pro-Series Clutch Unit
Early Chevy - 2 Disc 1-5/32 x 26 - 4.5" V-Drive Clutch Unit
Early Chevy - 2 Disc 1-1/8 x 10 - 5.5" Optimum-V Clutch and Button Unit
Early Chevy - 2 Disc 1-1/8 x 10 - 4.5" Pro-Series Clutch Unit
Early Chevy - 2 Disc 1-5/32 x 26 - 4.5" V-Drive Clutch Unit
Early Chevy - 2 Disc 1-1/8 x 10 - 5.5" Optimum-V Clutch and Button Unit
specifications
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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5.5" Pro-Series Clutch Complete Service Kit - 3-Disc, 1- 5/32 x 26-Spline
$447.185.5" Pro-Series Clutch Complete Service Kit - 3-Disc, 1- 5/32 x 26-Spline Learn More -
5.5" Optimum V-Clutch Service Kit -2-Disc, 1-1/8 x 10-Spline
$408.905.5" Optimum V-Clutch Service Kit -2-Disc 1 - 1/8 x 10-Spline Learn More -
5.5" Optimum V-Clutch Complete Service Kit - 2-Disc, 1- 5/32 x 26-Spline
$408.905.5" Optimum V-Clutch Service Kit - 2-Disc, 1- 5/32 x 26-Spline Learn More -
5.5" Pro-Series Clutch Complete Service Kit - 2-Disc, 1-1/8 x 10-Spline
$315.815.5" Pro-Series Clutch Complete Service Kit - 2-Disc, 1-1/8 x 10-Spline Learn More -
5.5" Pro-Series Clutch Complete Service Kit - 2-Disc, 1- 5/32 x 26-Spline
$315.815.5" Pro-Series Clutch Complete Service Kit - 2-Disc, 1- 5/32 x 26-Spline Learn More -
5.5" Optimum-V Clutch Complete Service Kit - 3-Disc, 1-1/8 x 10-Spline
$683.005.5" Optimum-V Clutch Complete Service Kit - 3-Disc, 1-1/8 x 10-Spline Learn More -
5.5" Optimum-V Clutch Complete Service Kit - 3-Disc, 1- 5/32 x 26-Spline
$612.485.5" Optimum-V Clutch Complete Service Kit - 3-Disc, 1- 5/32 x 26-Spline Learn More -
5.5" V-Drive Clutch Complete Service Kit - 3-Disc, 1-1/8 x 10-Spline
$474.005.5" V-Drive Clutch Complete Service Kit - 3-Disc, 1-1/8 x 10-Spline Learn More -
5.5" Pro-Series Clutch Complete Service Kit - 3-Disc, 1-1/8 x 10-Spline
$447.185.5" Pro-Series Clutch Complete Service Kit - 3-Disc, 1-1/8 x 10-Spline Learn More -
Mitsubishi Evo - Clutch Unit, 7.25”, 2D, Rally, 8-leg, Release Bearing for 6-speed
$1,860.93Mitsubishi Evo - Clutch Unit, 7.25” Optimum-V, 2D, Rally, 8-leg, Release Bearing for 6-speed Learn More
