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Performance & Replacement Transmission & Drivetrain Parts
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Quick Change Gears, 10-Spline, SAE 8620 Steel, Set 4, 24/31 Teeth, Pair
Part Number: WPP-8504
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
DIFFERENTIAL SHIM KIT
Part Number: KYS-100-8504
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Shifter Cable, 4 ft. Length, 3 in. Stroke, Morse Style, Threaded/Threaded Ends, Each
Part Number: TCI-850400
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Quick Change Gears, 10-Spline, SAE 8620 Steel, Set 4A, 18/23 Teeth, Pair
Part Number: WPP-8504A
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Quick Change Differential Gears, 10-Spline Helical, SAE 8620 Steel, Set 04, 24/31 Teeth, Features 0.774 Low Spur Ratio, Pair
Part Number: WPP-SR8504HR
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
SHAFT ASM-RR WHL DRV
Part Number: ADO-85043192
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
