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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 16 Items.
Axle Sleeve and Gusset Kit, Steel, Natural, Dana 30, Dana 44, Front, Jeep, Kit
Part Number: TMI-4990900
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
This product may not be eligible for select promotional offers
Axle Sleeve and Gusset Kit, Steel, Natural, Dana 44, Dana 30, Jeep, Kit
Part Number: TMI-4990700
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
This product may not be eligible for select promotional offers
SHIFT SHAFT SAVER KIT
Part Number: SOX-262991-04K
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
D30 Front Axle Truss for TJ, LJ, ZJ
Part Number: RTE-TJ3001
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each
Part Number: HAY-10-030
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
