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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 - 25 of 29

Driveshaft, Balanced, Assembled, Rear, Steel, Length 67.125 in., Diameter 2.500 in., BMW, Each

Part Number: RNB-946-989

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

Rear Driveshaft, Lincoln Town Car 1997-96

Part Number: RNB-986-989

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

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-976-989

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Estimated Ship Date: Tomorrow

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Driveshaft, Balanced, Assembled, Rear, Steel, Length 113.110 in., Diameter 3.500 in., Ford, Each

Part Number: RNB-936-989

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

Differential Cover, Steel, Chrome, GM, 12-Bolt, Truck, Kit

Part Number: MRG-9895

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Powergrip HD, Metallic, 1 1/8 in.- 26-Spline, 11 in. Disc, Chevy, Pontiac, 5.7L, LS1, Kit

Part Number: RAM-98931HD

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Differential Cover, Steel, Chrome, GM, 12-Bolt, Passenger Car, Each

Part Number: MRG-9894

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Powergrip, Metallic/Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Chevy, Pontiac, 5.7L, LS1, Kit

Part Number: RAM-98931

5.0 out of 5 stars ( 2 )

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Clutch Kit, Powergrip, Metallic/Organic, 1 1/16 in.- 10-Spline, 11 in. Disc, Ford, 4.6L, Kit

Part Number: RAM-98952

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Clutch Kit, Metallic/Organic, Powergrip, 12 in. GM LS, Kit

Part Number: RAM-98935

Not Yet Reviewed

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Differential Cover, Steel, Chrome, GM, 7.5 in., 7.625 in., 10-Bolt, Kit

Part Number: MRG-9896

4.0 out of 5 stars ( 1 )

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Cover, Flexplate Dust Cover, Steel, Orange Powdercoated, GM, 700R4, Each

Part Number: TRD-9895

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Powergrip, Metallic/Organic, 1.0 in.- 23 Spline, 11.00 in. Disc, Ford, Kit

Part Number: RAM-98955

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Clutch Kit, Powergrip HD, Metallic, 10.5 in., Diaphragm Pressure Plate, Solid Flywheel Conversion, Ford, Mustang, V6, Kit

Part Number: RAM-98956HD

Not Yet Reviewed

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Clutch Kit, Powergrip, Metallic/Organic, 11 in., Diaphragm Pressure Plate, Tremec Transmission, Ford, Mustang, Kit

Part Number: RAM-98969T

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Clutch Kit, Powergrip HD, Metallic, 1 1/16 in.- 10-Spline, 11 in. Disc, Ford, 4.6L, Kit

Part Number: RAM-98952HD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Powergrip HD, Metallic, 1 1/16 in. 10-Spline, 11 in. Dia. 8 Bolt FW, Ford, 4.6L, Kit

Part Number: RAM-98951HD

Not Yet Reviewed

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Clutch, Powergrip HD, 1.375 in. - 10-spline, Metallic, 279mm Diameter, Pressure Plate, Ford, Kit

Part Number: RAM-98988HD

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Clutch Kit, Powergrip HD, Metallic, 1 1/8 in.- 26-Spline, 11 in. Disc, Ford, 4.6L, Kit

Part Number: RAM-98951HDT

Not Yet Reviewed

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Cover, Flexplate Dust Cover, Steel, Orange Powdercoated, GM, TH350, TH400, Each

Part Number: TRD-9892

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Powergrip, Metallic/Organic, 1 1/16 in.- 10-Spline, 11 in. Dia., 8 Bolt FW, Ford, 4.6L, Kit

Part Number: RAM-98951

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Clutch Kit, Powergrip HD, Metallic, 1.0 in.- 23-Spline, 11 in. Disc, Ford, 5.0L, Kit

Part Number: RAM-98955HD

Not Yet Reviewed

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Clutch Kit, Powergrip, 1.125 in. - 26-spline, Metallic/Organic Disc, Pressure Plate, Ford, Kit

Part Number: RAM-98994

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Clutch Kit, Powergrip HD, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Ford, Kit

Part Number: RAM-98969HDT

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Clutch Kit, Powergrip, Metallic/Organic Disc, 1 in. - 23 Spline, Ford, Kit

Part Number: RAM-98956

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today