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Quarter Master
Since 1972, Quarter Master driveline products have been designed to give racers the winning edge.

Quarter Master Categories

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Items 1-25 of 64
2-Disc 5.5"
Choosing the right high performance clutch kit allows you to get the power to the race track. PitStopUSA.com has a great clutch selection for the your race car.
2-Disc 7.25"
Choosing the right high performance clutch kit allows you to get the power to the race track. PitStopUSA.com has a great clutch selection for the your race car.
3-Disc 5.5"
Choosing the right high performance clutch kit allows you to get the power to the race track. PitStopUSA.com has a great clutch selection for the your race car.
3-Disc 7.25"
Choosing the right high performance clutch kit allows you to get the power to the race track. PitStopUSA.com has a great clutch selection for the your race car.
Accessory Drives and Crankshaft Mandrels - NEW
Check out the Recently Listed Accessory Drives and Crankshaft Mandrels.
Aluminum Bellhousing Kits
Up to 5 times stronger than OEM, Aluminum Bellhousings are an excellent safety alternative to bulky external shields. Made from high quality cast aluminum these, these bellhousing kits include...More Details »
Aluminum Bellhousings
Up to 5 times stronger than OEM, Aluminum Bellhousings are an excellent safety alternative to bulky external shields. Made from high quality T6 cast aluminum these, many of these bellhousings come...More Details »
Aluminum Bert/Brinn Bellhousing Kits
Up to 5 times stronger than OEM, Aluminum Bellhousings are an excellent safety alternative to bulky external shields. Made from high quality cast aluminum these, these Bert / Brinn / Falcon /...More Details »
Aluminum Driveshafts
Aluminum driveshafts offer the maximum in weight reduction and decreased moment of inertia in addition to high strength and durability.
Bellhousings - NEW
Check out the Recently Listed Bellhousings.
Bellhousing Mount Starters
Whether you need a bellhousing mount starter for mild race or high performance street applications where heat soak is the main concern, or a ultra high torque starter for highly modified engines...More Details »
Bert/Brinn Flywheels
Bert, Brinn, Falcon and RaceGators transmissions require specially designed flywheels and other drive train components. PitStopUSA.com has a great selection of steel and aluminum flywheels for use with clutchless transmissions.
Bert/Brinn/Falcon Starters
Bert, Brinn, Falcon and RaceGators transmissions require specially designed shifters and other drive train components. PitStopUSA.com has a great selection of shifters for use with clutchless transmissions.
Chevrolet Flexplates
Pit Stop USA is The Online Motorsports Superstore! We feature Chevrolet Flexplates at low everyday prices.
Chevrolet Starters
Whether you need a Chevrolet starter for mild race or high performance street applications where heat soak is the main concern, or a ultra high torque starter for highly modified Chevy engines...More Details »
Clutch Bolt Kits
Clutch Bolt Kits from PitStopUSA.com are engineered and manufactured for reliability. Replacing the pressure plate bolts when replacing your clutch components is a wise choice to ensure drivetrain dependability.
Clutch Covers
Pit Stop USA is The Online Motorsports Superstore! We feature Clutch Covers at low everyday prices.
Clutch Disc Alignment Tools
Clutch Alignment Tools from PitStopUSA.com are used to quickly and properly align the clutch discs when rebuilding or servicing a clutch. They are available in a variety of popular input shaft sizes.
Clutch Discs
In some cases replacing a clutch disc is separately due to changing of the transmission and/or input shaft dimensions. Clutch discs from PitStopUSA.com are built and designed to be used with...More Details »
Clutch Discs - NEW
Check out the Recently Listed Clutch Discs.
Clutch Housings
Pit Stop USA is The Online Motorsports Superstore! We feature Clutch Housings at low everyday prices.
Clutch Kits - NEW
Check out the Recently Listed Clutch Kits.
Clutch Pressure Plates and Components - NEW
Check out the Recently Listed Clutch Pressure Plates and Components.
Clutch Throwout Bearings and Components - NEW
Check out the Recently Listed Clutch Throwout Bearings and Components.
Clutch Tools
Pit Stop USA is The Online Motorsports Superstore! We feature Clutch Tools at low everyday prices.
Items 1-25 of 64

Quarter Master Products

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Items 1-25 of 252
Description: Crankshaft Coupler, 1-3/8 x 10 Spline, Steel, Bert Transmissions, 2 pc Seal, Chevy V8 More Details »
Item #: QTR180123
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $154.82
Sale: $129.51
Save: 16%
Save: $25.31
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Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $258.38
Sale: $226.86
Save: 12%
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Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $459.38
Sale: $370.87
Save: 19%
Save: $88.51

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Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $173.88
Sale: $151.27
Save: 13%
Save: $22.61
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Description: Clutch Ring Gear, 110 Tooth, Steel, 7.25 in Quarter Master Optimum-V Clutches More Details »
Item #: QTR310020
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $338.14
Sale: $282.87
Save: 16%
Save: $55.27

Description: Flywheel, 153 Tooth, Internal Balance, Steel, 7-1/4 in Quarter Master Clutches More Details »
Item #: QTR509132HP
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $976.59
Sale: $761.87
Save: 22%
Save: $214.72

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Description: Clutch Kit, V-Drive, Dual Disc, 5-1/2 in Diameter, 1-5/32 in x 26 Spline, Rigid Hub, Flywheel, Ceramic, 1 pc Seal, Chevy, Kit. More Details »
Item #: QTR28517190ZZ
Condition: New
Limited Supply: Only 3 Left!
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Ships from Michigan.
Price: $890.09
Sale: $692.87
Save: 22%
Save: $197.22

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Description: Throwout Bearing Bleeder, 3 AN, Steel, Ram Hydraulic Throwout Bearings More Details »
Item #: QTR720011
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $1.25
Sale: $1.13
Save: 10%
Save: $0.12
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Description: Clutch Kit, V-Drive, Triple Disc, 5-1/2 in Diameter, 1-5/32 in x 26 Spline, Rigid Hub, Flywheel, Ceramic, 1 pc Seal, Chevy, Kit. More Details »
Item #: QTR38517190ZZ
Condition: New
Limited Supply: Only 3 Left!
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Ships from Michigan.
Price: $978.97
Sale: $790.87
Save: 19%
Save: $188.10

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Limited Supply: Only 1 Left!
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Oversized / Overweight Item! Ships from Michigan.
Price: $2,058.04
Sale: $1,619.87
Save: 21%
Save: $438.17

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Description: Drive Flange, Camber, 5 x 5 in Bolt Pattern, Howe Brakes, Each. More Details »
Item #: QTR176400
Condition: New
Same Day Shipping!
Ships from Michigan.
Price: $280.71
Sale: $225.87
Save: 20%
Save: $54.84
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Description: Flywheel, Button Style, Steel, 5.5 in Quarter Master Optimum-V Clutches, Internal Balance, 2 pc Seal, Chevy, Each. More Details »
Item #: QTR575170
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $184.55
Sale: $152.87
Save: 17%
Save: $31.68
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Description: Flywheel, Button Style, Steel, 5.5 in Quarter Master Optimum-V Clutches, External Balance, 1 pc Seal, Chevy, Each. More Details »
Item #: QTR575171ZZ
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $294.57
Sale: $237.87
Save: 19%
Save: $56.70
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Description: Clutch Bolt Kit, 5.5 in 3-Disc Quarter Master Optimum-V Clutches, Kit. More Details »
Item #: QTR375508
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $68.73
Sale: $57.49
Save: 16%
Save: $11.24
Description: Clutch Kit, Optimum-V, Dual Disc, 5-1/2 in Diameter, 1-5/32 in x 26 Spline, Rigid Hub, Flywheel, Ceramic, 1 pc Seal, Chevy, Kit. More Details »
Item #: QTR27517190ZZ
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $1,268.94
Sale: $995.87
Save: 22%
Save: $273.07

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Limited Supply: Only 4 Left!
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Ships from Michigan.
Price: $168.16
Sale: $140.68
Save: 16%
Save: $27.48
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Ships from Michigan.
Price: $155.95
Sale: $130.45
Save: 16%
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Description: Clutch Pressure Plate, Optimum-V, 5.5 in Diameter, Steel, Quarter Master Optimum-V Clutches, Each. More Details »
Item #: QTR175401
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $189.87
Sale: $155.87
Save: 18%
Save: $34.00
Limited Supply: Only 2 Left!
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Ships from Michigan.
Price: $803.78
Sale: $640.87
Save: 20%
Save: $162.91

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Description: Crank Drive Flange, 6 Bolt Flange, 1.375 in Input Shaft Diameter, 10 Spline, Gilmer Pulley, Steel, Black Oxide, Small Block Chevy More Details »
Item #: QTR180131
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Ships from Michigan.
Price: $211.35
Sale: $176.81
Save: 16%
Save: $34.54
Description: Clutch Disc, 7-1/4 in Diameter, 1 in x 23 Spline, Rigid Hub, Metallic, Quarter Master 7-1/4 in Clutches More Details »
Item #: QTR126063
Condition: New
Limited Supply: Only 1 Left!
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Oversized / Overweight item. Ships from Michigan.
Price: $121.81
Sale: $88.88
Save: 27%
Save: $32.93
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Limited Supply: Only 2 Left!
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Ships from Michigan.
Price: $17.81
Sale: $14.90
Save: 16%
Save: $2.91
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Description: Clutch Bolt Kit, 7.25 in 3-Disc Quarter Master V-Drive Clutches, Kit. More Details »
Item #: QTR309508
Condition: New
Limited Supply: Only 3 Left!
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Ships from Michigan.
Price: $17.81
Sale: $14.90
Save: 16%
Save: $2.91
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Description: Clutch Bolt Kit, 7.25 in 2-Disc Quarter Master V-Drive Clutches, Kit. More Details »
Item #: QTR209508
Condition: New
Limited Supply: Only 2 Left!
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Ships from Michigan.
Price: $17.81
Sale: $14.90
Save: 16%
Save: $2.91
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Description: Flywheel, 91 Tooth, Neutral Balance, Aluminum, Quarter Master Clutchless Bellhousing Kits, 1 pc Seal, Chevy More Details »
Item #: QTR509134B
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Ships from Michigan.
Price: $252.88
Sale: $210.87
Save: 17%
Save: $42.01
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Items 1-25 of 252

More About Quarter Master

Pit Stop USA is The Online Motorsports Superstore! Quarter Master provides winning clutches & driveline components to racers from Super Speedway to the Bullring...from IRL to Rally...from NASCAR to the "Weekend Warrior"! Quarter Master began operations in 1972, and since that date, Quarter Master racing products have enjoyed a long history off track-proven race-winning results. Quarter Masteras passion and commitment is to the raceras goalawinning! Quarter Master products are CNC-manufactured by an experienced staff to the toughest quality standards to outlast and outrun the competition. Whether itas on the straightaway or in-and-out of the turns, Quarter Master driveline products are designed to give the racer the winning edgeaand a racer winning with Quarter Master products is what fuels Quarter Masteras passion! Quarter Master winning quality products include Quarter Master Clutches available in Metallic, organic and carbon clutches in open or closed style, in single or multi-disc set-ups. Quartermaster offeres Quarter Master Bellhousings, Quarter Master Aluminum Bellhousings, Quarter Master Magnesium Bellhousings, Quarter Master Steel Bellhousings, Quarter Master Flywheels, Quarter Master Flexplates, Quarter Master ring gears, Quarter Master Hydraulic Throw-out bearings, Quarter Master Throw Out Bearings, Quarter Master Starters, Quarter Master Bellhousing kits including Quartermaster clutch, Quartermaster bellhousing, Quartermaster flywheel, Quartermaster throw-out bearing and Quartermaster starter, Quarter Master Aluminum driveshafts, Quartermaster Steel Driveshafts, Quarter Master Heavy Duty Quick Change Gears, Quartermaster standard duty quick-change gears, Quarter Master Cambered axle tubes and Quarter Master drive flanges. Quarter Master has a proven winning combination to fit your racing application!