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Quarter Master flexplates are engineered to withstand the stresses of high-rpm racing engines and high-stall torque converters. Quarter Master lightweight flexplates are constructed from high tensile strength steel and feature a lightweight design for rapid engine response. All Quarter Master flexplates are designed to mesh perfectly with a corresponding Ultra Duty starter for a reliable start every time, so you don't get left behind. If it's built for performance, then it has to be Quarter Master!
Not Yet Reviewed
$188.41
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Quarter Master flywheel bolt kits contain custom ARP bolts that will fit your application perfectly every time. They feature 12-point head designs manufactured from chromoly and black oxide coated. Available in lengths and thread sizes, with Quarter Master flywheel bolt kits there is no guesswork or measurements needed.
( 2 )
$69.76
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Quarter Master has everything that you need to maintain the performance of your hydraulic bearings. These service parts are constructed from quality materials to ensure the accuracy and reliability of your bearings.
( 3 )
$196.19
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Quarter Master Optimum-V clutches offer race-winning performance! These extremely light Optimum-V clutches deliver an open cover design with integrated wear pins, premium bronze sintered metallic frictions, and a 6-leg design with gas slots for maximum cooling, quicker starts, and deeper braking. Quarter Master has engineered these clutches to reduce the moment of inertia for a lightweight power transfer and optimum performance. And, when the time comes, these rebuildable clutches are easily serviced with available kits and replacement friction discs. Shift into winning gear with Quarter Master Optimum-V clutches.
( 1 )
$1,334.31
Summit Bucks
Quarter Master crankshaft drive hubs put you back on track! These hefty steel hubs are black oxide coated and are available in many sizes to fit your applications. Whether you need race-quality replacements for your clutch or clutchless transmissions, Quarter Master supplies track-tested crankshaft drive hubs that will keep your race car moving ahead of the pack.
Not Yet Reviewed
$154.75
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$296.83
Summit Bucks
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
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$2,456.54
Summit Bucks
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
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$3,303.07
Summit Bucks
Match your clutch setup with Quarter Master button-style flywheels. These smaller flywheels are designed and manufactured in-house using stringent quality control methods to ensure excellent product performance and availability. Quarter Master button-style flywheels are used with rear mount bellhousings and flexplate assemblies. They are available for a variety of GM, Mopar, and Ford applications with 5.5 in. and 7.25 in. Optimum-V, V-Drive and Pro-Series clutches.
( 2 )
$187.34
Summit Bucks
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
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$4,426.25
Summit Bucks
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
Summit Bucks
Rebuild your Optimum-RR clutch with disc packs from Quarter Master. These replacement friction discs will renew the grip, pedal feel, and performance of your QM clutch. By nature of their job, friction discs suffer a high wear rate. Inspect them often and when they need replaced, choose the right clutch discs for the job—Quarter Master Optimum-RR disc packs.
Not Yet Reviewed
$166.99
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$298.48
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