Street Stock Hydraulic Release Bearing QTR721100 Engineered for original equip- ment-type 10.5" clutch diaphragms. Redesigned bearing has increased pressure capacity for compatibility with modern clutch systems. Use with Saginaw, Muncie, T-10, and Jerico transmissions. Note: Thick flywheels prohibit proper bearing engagement which may damage components. Quartermaster flywheel QTR501100 will provide the extra clearance. Part No. Description QTR106033 Replacement Bearing Only QTR710016 11" Remote Bleeder Line QTR720102 Shim Kit QTR721101 Seal Kit for QTR721100 10.4" Street Stock Clutch
Pilot Bushings Part No.
Description
QTR110011 QTR110012 QTR110013
Chevy
Ford with Jerico, T-101, T-10, or Muncie Transmission Chevy Extended Length (for Use with Motor Plate)
Bellhousing Ball Stud Designed for applications using a hydraulic release bearing and mechanical linkage. Part No. Description QTR110005 Hydraulic Release Bearing and Mechanical Linkage for Chevy QTR110008 Hydraulic Release Bearing and Floating Bearing for Ford QTR110017 Aluminum Ball Stud, Race Bearing Only, Reverse Mount Mechanical Release Bearings and Bearing Retainers Part No. Description QTR209130 Chevy Bearing, 7.25" Dia., 2-Disc QTR309130 Chevy Bearing, 7.25" Dia., 3-Disc QTR710108 Bearing Retainer, T-10, T-101 Note: Bearing retainers have a .800" seat height; shimming transmission bolts to keep bearing parallel with transmission is unnecessary. Floating Hydraulic Release Bearings use with Muncie or Borg-Warner T-10 input shaft with a bearing collar diameter of 1.375" and a master cylinder with a 3/4" bore. External bleeder and shims are included and bearing will work with either right- or left-hand bellhousing applications. Can be used with Quarter Master or Tilton multi-disc racing clutches. Part No. Description QTR710100 Complete Bearing for 7-1/4" Clutches QTR710200 Complete Bearing for 4-1/2" and 5-1/2" Clutches Replacement Components QTR710101 Seal Kit for QTR710100 and QTR710200 QTR710102 Shim Kit for QTR710100 and QTR710200 QTR710103 Bearing Sleeve for 7-1/4" Clutches QTR710104 Bearing Sleeve for 5-1/2" Clutches QTR710105 Remote Bleeder Kit Tri-Lite Hydraulic Release Bearings The Tri-Lite self-adjusting release bearing 4XDUWHU0DVWHU¶VIUHHÀRDWLQJK\GUDXOLF release bearing requires no machining and eliminates the slave cylinder and fork for bind-free operation. A positive return spring keeps the bearing off the diaphragm. For QTR710108
'HYHORSHGVSHFL¿FDOO\IRUFODVVHVWKDWUHTXLUHD stock-type single-disc clutch. Disc has organic fric- tion material and a solid hub. Covers are available with iron or steel-faced aluminum pressure plates. Part No. Description QTR101290
10.4" Clutch Disc, 1-1/8" x 10-Spline Solid Hub
QTR101500 QTR101504
Iron Pressure Plate
Steel Faced Aluminum Pressure Plate
Chevy Button Clutch Assemblies Quarter Master Optimum-V, V-drive, and Pro-Series clutches are engi- neered for performance, reliability, and low moment of inertia (MOI). Opti-
mum-V units have stiffer covers and an extremely high torque capacity; V-Drive clutches are open for cleaner and cooler operation; and the Pro-Series offers reliable performance and durability. Note: Clutches listed are for pre-1986 small block Chevy unless noted.
Spline Size
Clutch Part No.
Rep. Clutch Pack Part No.
No. of Discs
Weight
Pro-Series 4.5" 3 Pro-Series 5.5" 2
1-5/32" x 26
— 7.72 lbs.
QTR324090
1-5/32" x 26 1-1/8" x 10
— 7.76 lbs. QTR39517080 9.3 lbs.
QTR225090 QTR325080 QTR325090
3 3
1-5/32" x 26 QTR39517090 9.3 lbs.
V-Drive 5.5" 2
1-1/8" x 10
QTR28517080 7.57 lbs.
QTR225080
2 2 3 3 3
1-1/8"-10 QTR28517180ZZ*
— QTR225080
mounts in Quarter Master factory-ma- chined bellhousings. Weighs less than 1-1/2 lbs. with the inlet and bleeder lines attached. The main body is the same for all part numbers, with varying piston lengths to accommodate the range of set-up heights in the
1-5/32" x 26 QTR28517190ZZ* 7.74 lbs.
QTR225090 QTR325080 QTR325090 QTR325090
1-1/8" x 10
QTR38517080 9.1 lbs.
1-5/32" x 26 QTR38517090 9.1 lbs. 1-5/32" x 26 QTR38517190ZZ* 9.29 lbs.
Optimum V-Drive 7.25" 3 1-1/4"-29
QTR397092
—
—
Pro-Series 7.25" 2
4XDUWHU0DVWHUFOXWFKDQGÀ\ZKHHOOLQH1REXVKLQJVRUVKLPV are needed for installation. For instance, the Tri-Lite 730185 is recommended for the Pro-Series 5.5" 3-disc button clutch assembly. .100" to .250" air gap (free play) is recommended for new clutches. Part No. Description QTR730185 Chevy 3-Disc Except on QTR509111 and 509112 Flywheels QTR730225 Chevy 2-Disc Except on QTR509111 and 509112 Flywheels Replacement Components QTR730101 Seal Kit for Tri-Lite Bearings QTR105030 Replacement Bearing Only QTR710015 Replacement Fitting, -2 to -3AN QTR730096 Replacement Bearing Base, .250" Shortened
1-1/8" x 10 1-5/32" x 26 1-1/8" x 10 1-5/32" x 26 1-1/8" x 10 1-1/8"-10 1-1/8" x 10 1-5/32" x 26 1-1/8" x 10 1-1/8" x 10 1-5/32" x 26
QTR299108
12.4 lbs.
QTR226080 QTR226090 QTR309390 QTR309395 QTR226080 QTR226080S ‡ QTR226080 QTR226090 QTR226090 QTR309390 QTR309390
2 3 3
— 12.4 lbs.
QTR399108 QTR399158
14.9 lbs. 14.9 lbs.
V-Drive 7.25" 2
QTR298103 † QTR298103S †‡ QTR298108 QTR298158 QTR398103 † QTR398108 QTR398158
12.82 lbs. 12.8 lbs. 12.7 lbs. 12.7 lbs. 14.8 lbs. 14.8 lbs. 14.8 lbs.
2 2 2 2 3 3 3
1-5/32"-26 QTR298153ZZ* 12.7 lbs.
QTR309395 * Designed for 1986-up small block Chevy externally balanced applications. † Zero balance ‡ Signifies clutch pack with heat treated hub.
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CIRCLE TRACK 2021-22
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