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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

Availability


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 352

Steering Universal Joint, Steel, Chrome, 3/4 in. DD, 3/4 in. DD, Each

Part Number: SUM-760668

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Front Axle Actuator, Posi-Lok, Dodge, Pickup, Kit

Part Number: POS-400

4.7 out of 5 stars ( 146 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Linkage, Billet Aluminum, Column Arm, 700R4, 4L60, Each

Part Number: LOK-ACA-1811

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Rag Joint, Steering, 3/4 in. 30-spline, 3/4 in. without Splines, Steel, Natural, Each

Part Number: DSR-090205DS

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Front Axle Actuator, Posi-Lok, Chevy, GMC, Kit

Part Number: POS-600

4.52 out of 5 stars ( 60 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Steering U-Joint, Single-joint, Steel, Natural, 3/4 in. DD / 3/4 in. V-notch Ends, Ford, Each

Part Number: BRG-034956

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Front Axle Actuator, Posi-Lok, Chevy, GMC, 4WD, Kit

Part Number: POS-500

4.03 out of 5 stars ( 31 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Indicator, Restoration, 1973-1979 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 06497647, Each

Part Number: SUM-RP22466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Front Axle Actuator, Posi-Lok, Dodge, Kit

Part Number: POS-450

4.47 out of 5 stars ( 30 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Indicator, Restoration, 1979-1983 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 25023575, Each

Part Number: SUM-RP22467

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Front Axle Actuator, Posi-Lok, Ford, Kit

Part Number: POS-750

4.84 out of 5 stars ( 25 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Indicator, Chrome Aluminum Housing, Pointer, 4-Speed, Each

Part Number: IDT-2600250020

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Trunnion Bearing Eliminator Kit, Rock Assault, Toyota, Kit

Part Number: TGI-140254-1-KIT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Indicator, Steering Column Mount, Black Bezel, Ford, C4, C6, Each

Part Number: IDT-2600271051

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Automatic Shifter, Hammer Shifter, Ford, AOD Transmission, Each

Part Number: BMM-81002

4.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Indicator, Restoration, 1984-1991 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 25078571, Each

Part Number: SUM-RP22469

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Clutch Linkage Bellcrank, Replacement, Steel, Natural, Ford, 289, Each

Part Number: BRG-990051

3.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Power Steering Reservoirs, Firewall Mount, Left Hand Inlet, Aluminum, Natural Finish, -10 AN Supply, -6 AN Return, 8.0 in. Tall, with Cap, Each

Part Number: AAF-ALL36136

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Steering Knuckle Seal Kit, Left or Right, Front, Jeep, Kit

Part Number: CWA-J0908226

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Indicator, Black Aluminum Housing, Pointer, 4-Speed, Each

Part Number: IDT-2600250051

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Knuckle Ball Wiper Seals, Trail Safe, Passenger Side, Driver Side, Toyota, Kit

Part Number: TGI-140327-1-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Shift Indicator, Black Powdercoated Aluminum Housing, Pointer, 3-Speed, Each

Part Number: IDT-2600200051

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Wheel Bearings, Suzuki, Front, Kit

Part Number: TGI-141003-3-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Power Steering Reservoirs, Firewall Mount, Right Hand Inlet, Aluminum, Natural Finish, -10 AN Supply, -6 AN Return, 8.0 in. Tall, with Cap, Each

Part Number: AAF-ALL36137

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

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