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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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 - 25 of 51

Quick Change Gears, Professional, 6-Spline, E 9310 Steel, Set 68, 20/28 Teeth, Set

Part Number: SGB-68-PRO

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Clutch Kit, Super Twin, SS-Trim, Carbon Composite/Kevlar®, Full Face/Sprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC68SST-5

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Super Twin, SS-Trim, Carbon Composite/Kevlar®, Full Face/Sprung Hub, Chevy, Corvette, Kit

Part Number: SXC-SC68SST-7

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Super Twin, Conversion, ST-Trim, Carbon Composite, Full Face/Sprung Hub, Chevy, LSA, T-56, Kit

Part Number: SXC-SC68ST-2

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Mini Twin, R-Trim, Carbon Composite, Full Face/Unsprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC68MTR

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

FLYWHEEL

Part Number: SXC-SC68S3

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Clutch Kit, Super Twin, Conversion, E-Trim, Sintered Iron, Full Face/Unsprung Hub, Chevy, LSA, T-56, Kit

Part Number: SXC-SC68ET-2

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Clutch Kit, Super Twin, P-Trim, Carbon Composite, 6-Paddle/Sprung Hub, Chevy, Corvette, Kit

Part Number: SXC-SC68PT-7

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Clutch Kit, Super Twin, P-Trim, Carbon Composite, 6-Paddle/Sprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC68PT-5

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Clutch Kit, Super Twin, Conversion, P-Trim, Carbon Composite, 6-Paddle/Sprung Hub, Chevy, LSA, T-56, Kit

Part Number: SXC-SC68PT-2

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Clutch Kit, Super Twin, Conversion, E-Trim, Sintered Iron, Full Face/Unsprung Hub, Chevy, LSA, Porsche, Kit

Part Number: SXC-SC68ET-8

Not Yet Reviewed

Estimated Ship Date: Aug 8, 2025 if ordered today

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Estimated Ship Date: Aug 8, 2025 if ordered today

Clutch Kit, Super Twin, Conversion, P-Trim, Carbon Composite, 6-Paddle/Sprung Hub, Chevy, LSA, Porsche, Kit

Part Number: SXC-SC68PT-8

Not Yet Reviewed

Estimated Ship Date: Aug 8, 2025 if ordered today

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Estimated Ship Date: Aug 8, 2025 if ordered today

Clutch Kit, Super Twin, Conversion, SS-Trim, Carbon Composite/Kevlar®, Full Face/Sprung Hub, Chevy, LSA, Porsche, Kit

Part Number: SXC-SC68SST-8

Not Yet Reviewed

Estimated Ship Date: Aug 8, 2025 if ordered today

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Estimated Ship Date: Aug 8, 2025 if ordered today

Clutch Kit, Super Twin, Conversion, ST-Trim, Carbon Composite, Full Face/Sprung Hub, Chevy, LSA, Porsche, Kit

Part Number: SXC-SC68ST-8

Not Yet Reviewed

Estimated Ship Date: Aug 8, 2025 if ordered today

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Estimated Ship Date: Aug 8, 2025 if ordered today

Clutch Kit, Super Twin, ST-Trim, Carbon Composite, Full Face/Sprung Hub, Chevy, Corvette, Kit

Part Number: SXC-SC68ST-7

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Super Twin, ST-Trim, Carbon Composite, Full Face/Sprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC68ST-5

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Super Twin, E-Trim, Sintered Iron, Full Face/Unsprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC68ET-5

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Super Twin, E-Trim, Sintered Iron, Full Face/Unsprung Hub, Chevy, Corvette, Kit

Part Number: SXC-SC68ET-7

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Mini Twin, D-Trim, Carbon Composite, Full Face/Unsprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC68MT2

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Mini Twin, X-Trim, Carbon Composite, Full Face/Unsprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC68MT3

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Super Twin, Conversion, SS-Trim, Carbon Composite/Kevlar®, Full Face/Sprung Hub, Chevy, LSA, T-56, Kit

Part Number: SXC-SC68SST-2

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Stage 3, Carbon Composite, 6-Paddle/Sprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC683-2

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Clutch Kit, Stage 2, Kevlar®, Full Face/Sprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC682

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Stage 2, Kevlar®, Full Face/Sprung Hub, Cadillac, Chevy, Kit

Part Number: SXC-SC682-2

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

SLAVE CYLINDER

Part Number: EXY-SC682

Not Yet Reviewed

Estimated Ship Date: Aug 13, 2025 if ordered today

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Estimated Ship Date: Aug 13, 2025 if ordered today

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