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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.
Showing In Stock Items. Show All 9 Items.
Clutch Disc, 900-Series, Sintered Iron, 1 3/16 in. Diameter Shaft, 18-Spline, 11.0 in. Diameter Disc, Each
Part Number: RAM-978
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Shift Solenoid
Part Number: RNB-924-978
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Driveshaft, Balanced, Assembled, Rear, Steel, Length 62.750 in., Diameter 2.500 in., BMW, Each
Part Number: RNB-946-978
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Drive Shaft, Rear Driveshaft Assembly
Part Number: RNB-976-978
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Rear Driveshaft
Part Number: RNB-986-978
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Driveshaft, Balanced, Assembled, Rear, Steel, Length 114.650 in., Diameter 3.500 in., Ford, Each
Part Number: RNB-936-978
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Transmission Pan, Deep, Steel, EDP Coated Black, GM TH400, Each
Part Number: MRG-9786BMRG
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Differential Crush Sleeves, Steel, Fits with Aftermarket Ring and Pinion Set Only, Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Each
Part Number: MGR-9785792
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
