Availability
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
—
$3,342.47
These Quarter Master V-Drive clutch and bellhousing kits offer the best balance of performance, durability, and affordability for the money. They feature an open cover, an 8-leg design for maximum strength and cooler operations, and a reduced moment of inertia for lightweight power transfer, making them perfect for sportsman Circle Track, road course, and off-road racers. Their premium internal friction materials can handle high-torque capacities. The kits also include: * CAD-designed, CNC-machined aluminum or magnesium bellhousings * V-Drive clutch system with button * Steel flywheel * Flywheel bolt kit * Reverse mounted Ultra-Duty Quarter Master starter * Fixed mount hydraulic release bearing with clutch inlet and bleed line kit * Racer-rebuildable frictions and floaters to provide extended service life
( 1 )
$2,005.03
—
$2,844.95
The staple of the Quarter Master clutch lineup, the Quarter Master Pro-Series clutch and bellhousing kits, are proven to offer unsurpassed performance and durability for racing and endurance applications. Their design provides a greatly reduced moment of inertia, making them the perfect option for road, speedway, and short track racing. The kits feature a CAD-designed bellhousing that is precision CNC-machined to ultra-tight tolerances for long-lasting durability. The included Pro-Series clutch is available in different sizes and offers either steel or aluminum covers, as well as different friction disc options. All Quarter Master Pro-Series clutch and bellhousing kits include a bellhousing, a Pro-Series clutch with a button and steel ring gear assembly, a flywheel bolt kit, and a fixed hydraulic throwout bearing with a clutch inlet and bleed line kit.
Not Yet Reviewed
$2,185.07
—
$2,957.77
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
$2,209.85
—
$2,456.54
Optimum-SR 10.4 in. twin-disc clutch/flywheel/release bearing kits continue the winning ways of a leader in driveline technology, Quarter Master. With lessons learned from racing, and with the data from extensive drivability testing, Optimum-SR clutches are available for street use. The se lighter-than-stock clutches feature a spring designed to require only a 10 percent increase in pedal effort over stock, with stock-type modulation control, and they are capable of handling 1400 hp and 1000 lbs.-ft. of torque. Features include: * Sprung hub, marcel-type discs with organic rag-type friction for smooth engagement * Vented floater plate and grooved friction surfaces provide better cooling * Aircraft-grade bolts and hardware * All-billet construction * Completely re-buildable * Can be used with OE hydraulic bearing systems or Quarter Master Tri-Lite II hydraulic release bearings
Not Yet Reviewed
$3,287.66
—
$4,814.91
Quarter Master 10.4 in. Street Stock clutch kits were developed for racing classes where competitors must run a stock-type, single-disc clutch. Their cutting-edge features translate into the lowest possible moment of inertia and deliver a performance increase that can be felt on the track. Features and options: * Lightweight steel flywheel creates noticeable weight reduction * Steel-faced nodular iron or aluminum pressure plates * Heavy-duty or organic friction disc * Solid or sprung hub
Not Yet Reviewed
$3,847.71
Quarter Master Optimum-SR 10.4 in. single-disc clutch/flywheel/release bearing kits offer race technology with a stock feel. These are true racing clutches with factory driving characteristics, lighter in weight for reduced MOI (Moment of Inertia), allowing the engine to rev and de-rev quicker than a stock OE unit. Together, these features knock seconds off the stopwatch, while delivering a stock pedal feel and chatter-free operation. Holding up to 500 lbs.-ft. of torque and 700 hp, kits include clutch, flywheel, release bearing, and alignment tool. The single-disc clutch boasts billet construction, is 100 percent re-buildable, constructed with proprietary spring technology, and is compatible with OE-type hydraulic bearings or the Quarter Master Tri-Lite II hydraulic systems. Those looking for a true racing clutch with factory driving characteristics will find Quarter Master Optimum-SR 10.4 in. single-disc clutch kits ideal.
Not Yet Reviewed
$3,176.95
—
$3,358.52
Drawing on an extensive, race-winning heritage, Quarter Master has developed the Optimum-RR Import Series clutch kits. These 7.25 in. 6 and 8-leg billet clutches perform well in a broad range of street performance and racing import platforms. The two-disc, pull-to-push conversion clutches and included hydraulic bearing kits provide dependable performance in shifting, consistent pedal feel and torque-holding capacity. The 8-leg version also utilizes a steel leg for added durability. Quarter Master Optimum-RR Import Series clutch kits can be used in stock, street/strip, drag, drifting, rally, and road racing applications. Other features: * Open design allow for more efficient cooling, even during extended periods of race or street/strip use * Low MOI gear drive friction design creates both quicker and smoother shifts * Completely rebuildable frictions and floaters ensure a long and worry-free service life * Provides a perfect balance of light-weight, race proven durability, and high-value
Not Yet Reviewed
$2,295.08
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
