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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 48 Items.
Flywheel, Billet Aluminum, 164-Tooth, Internal Engine Balance, 15.000 lbs., 1-Piece Rear Main Seal, SFI 1.1, Ford, 3.8/3.9L, Each
Part Number: RAM-2543
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
PG STEEL CLUTCH HUB
Part Number: TOS-2543
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Yoke, Differential Side Yoke, Slip Type, 17-spline, Steel, Corvette Differential Case Design Type, At Rear Axle Position, Chevrolet, Each
Part Number: MMU-25431
Estimated Ship Date: Today
Estimated Ship Date: Today
U-Joints, Mechanics 6.5C to Rockwell 58WB Style, 4 Delta Wing Threaded, Greasable, Steel, Each
Part Number: SCY-25-4362X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joint, Mechanics 6 Style, 2 Low Wing Threaded, Greasable, Steel, Each
Part Number: SCY-25-4307X
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Universal Joint Greaseable Isuzu Series -
Part Number: SCY-25-4324X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joint, Rockwell L6N Style, Greasable, Steel, Each
Part Number: SCY-25-430X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
1963-1979 Chevrolet Corvette Side Yoke. Heavy Duty New
Part Number: MMU-25432
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
U-Joints, Mechanics 7 Style, 2 High Wing Drilled, Greasable, Steel, Each
Part Number: SCY-25-4326X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joint, Mechanics 5 Style, 2 High Wing Drilled, Greasable, Steel, Each
Part Number: SCY-25-4378X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joints, Mechanics 6.5C to Rockwell 58WB Style, 2 High Wing Drilled, 2 Delta Wing Threaded, Greasable, Steel, Each
Part Number: SCY-25-4363X
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
U-Joints, Mechanics 6 Style, 2 High Wing Drilled, Greasable, Steel, Each
Part Number: SCY-25-4340X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joint, Mechanics 8.5C Style, 2 High Wing Drilled, 2 Delta Wing Threaded, Greasable, Steel, Each
Part Number: SCY-25-4306X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joints, Mechanics 4 Style, 2 High Wing Drilled, Greasable, Steel, Each
Part Number: SCY-25-4328X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joints, Mechanics 4 Style, 2 Low Wing Threaded, Greasable, Steel, Each
Part Number: SCY-25-4333X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joint, Mechanics 2C Style, 4 Low Wing Threaded, Greasable, Steel, Each
Part Number: SCY-25-4370X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Universal Joint Greaseable 1480 Series OSR Coated -
Part Number: SCY-25-4310X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joints, Mechanics 4C Style, 2 Low Wing Drilled, 2 Low Wing Drilled, Greasable, Steel, Each
Part Number: SCY-25-4336X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joints, Spicer 1350 to GM 3RL/S44/Mechanics 3/American Axle 1344 Combination, Greasable, Steel, Each
Part Number: SCY-25-4314X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joints, Mechanics 8C Style, 2 High Wing Drilled, 2 Low Wing Threaded, Greasable, Steel, Each
Part Number: SCY-25-4347X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joints, Carraro Style, Greasable, Steel, Each
Part Number: SCY-25-4321X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
U-Joint, Mechanics 5 Style, Greasable, Steel, Each
Part Number: SCY-25-4372X
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Clutch Hub, Steel, Lightened, 8-Clutch, GM, Powerglide, Each
Part Number: FTI-F2543
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
LIGHTENED CLUTCH HUB
Part Number: TOS-2543A
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING ORANGE
Part Number: ERL-PS-1
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
