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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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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.

Individual Parts

Results 1 - 14 of 14

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Each

Part Number: TRD-4135

Not Yet Reviewed

Estimated Ship Date: Today

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Torque Converter, Street/Strip 35 Series, 26-Spline, Ford, C-4, Each

Part Number: HUP-41-35

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Pressure Plate Bolts, Pro Series, 12-point, 5/16-18 in., 0.767 in. Length, 4135 Chromoly, 200,000 psi, Black, Ford, V8, Kit

Part Number: SUM-910243

Not Yet Reviewed

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Wheel Bearings, Steel, 1.378 in. Bore Diameter, Front, Lexus, Each

Part Number: BCK-051-4135

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Pressure Plate Bolts, 12-Point Head, 4135 Chromoly, Black Oxide, Ford, V8, Kit

Part Number: PQX-1050109

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Pressure Plate Bolts, 12 Point, 4135 Chromoly, Black Oxide, Chevy, Big, Small Block, Kit

Part Number: PQX-1050101

Not Yet Reviewed

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Wheel Bearing and Seal, 1-Wheel, Polaris, Front, Kit

Part Number: QDB-41-3539

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Torque Converter, Street/Strip 35 Series, 3,500 rpm Stall, 26-Spline, Ford, C-4, Each

Part Number: HUP-41-35HD

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

QBOSS REAR DIFF KIT

Part Number: QDB-41-3530

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Wheel Bearing and Seal, 1-Wheel, Arctic Cat, Kawasaki, Kymco, Yamaha, Kit

Part Number: QDB-41-3538

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Flywheel Bolts, 12-point, 11mm x 1.5 Thread, 0.800 in. Length, Steel, Chevy, GM, LS, 4.8, 5.3, 5.7, 6.0L, LS1, LS6, Set of 6

Part Number: SUM-910198

Not Yet Reviewed

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Flywheel Bolts, 12-point, 10mm x 1.0 Thread, 1.000 in. Length, Steel, 200,000 psi, Ford, V8, 4.6L, 5.4L, Set of 8

Part Number: SUM-910199

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Flywheel Bolts, Heat Treated Steel, 10mm x 1.0 RH, 1.00 in. Length, Ford 4.6L / 5.4L, Set of 8

Part Number: PQX-1001281

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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