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A top manufacturer of driveline products, Quarter Master offers clutches, driveshafts, quick change gears, starters, and more for a variety of race applications. This...
A top manufacturer of driveline products, Quarter Master offers clutches, driveshafts, quick change gears, starters, and more for a variety of race applications. This includes asphalt short track, road racing, open wheel, dirt short track, and NASCAR. Shop Summit Racing for a massive selection of Quarter Master products, including aluminum driveshafts, bellhousings, flywheels, flexplates, clutch kits and components, quick-change gears, and more. Join the legions of successful racers who use Quarter Master—shop Summit Racing now!
A top manufacturer of driveline products, Quarter Master offers clutches, driveshafts, quick change gears, starters, and more for a variety of race applications. This includes asphalt short track, road racing, open wheel, dirt short track, and NASCAR. Shop Summit Racing for a massive selection of Quarter Master products, including aluminum driveshafts, bellhousings, flywheels, flexplates, clutch kits and components, quick-change gears, and more. Join the legions of successful racers who use Quarter Master—shop Summit Racing now!
Quarter Master pilot bushings are manufactured to tight tolerances for uncompromising performance. They connect and support the end of the transmission input gear to the crankshaft when the clutch disc is released. Failure to use the proper pilot bushing can severely damage your transmission. Order the replacement model recommended for your vehicle and engine application.
Not Yet Reviewed
$15.47
Quarter Master Optimum-RR Series clutch kits offer the latest in purebred race-clutch technology designed to fulfill the wishes of every modern Camaro, Corvette, or Mustang road racer. They feature either a NASCAR-derived 7.25 in. 2- or 3-disc clutch that is rebuildable and optimized for strength without compromising weight or moment-of-inertia. Each clutch also utilizes the latest in gear-drive technology, with .104 in. race or .250 in. "rally" friction material that allows for quick, smooth shifts, plus slotted pressure plate and floater plates allow for better gas evacuation and superior cooling. Quarter Master Optimum-RR Series clutch kits include: * Optimum-RR Clutch with button-type flywheel * Tri-Lite hydraulic release bearing offering more reliable service and adapter * All necessary hardware, including clutch fasteners and replacement flywheel bolts
Not Yet Reviewed
$2,242.23
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$2,361.33
These Quarter Master Optimum-V clutch and bellhousing kits have everything you need to get your car rolling at the track. They use an Optimum-V clutch unit featuring a 6-leg design with gas slots for maximum cooling, integrated wear pins that hold clearances for longer cover life, and an innovative, one-piece aluminum open cover for maximum durability. They also offer the industry's lowest moment of inertia for a metallic-style clutch. The clutch includes bronze sintered metallic frictions for maximum heat and wear resistance. Quarter Master Optimum-V clutch and bellhousing kits are available in your choice of 5.5 in. or 7.25 in. diameters, in either 2-disc or 3-disc configurations, and are racer-rebuildable. The kits also include: * Quartermaster Ultra-Duty reverse rotation starter * Steel ring gear * Fixed mount hydraulic release bearing * Flywheel bolts * Starter bolts with clutch inlet * Bleed line kit * Available with aluminum or magnesium bellhousing
Not Yet Reviewed
$2,210.65
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$3,342.47
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