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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 39

U-Joint, Heavy-Duty, Steel, 4 Grooved Bearing Cap Style, For use on Honda®, Polaris, Each

Part Number: RRA-72-1001

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Silver Sport EasyFit TREMEC TKX Install Kit ONLY 68-72 GM Chevelle / Malibu

Part Number: IST-EFKA2TKX

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Axle Assembly, 68-72 GM A-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-GMA6872X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Transmission Bearing and Seal, NP435 Transmission Bearing/Seal Kit 68-72 Chevy/GMC Truck/Suburban Plus 69-87 F-Series/M-Series/P-Series/Bronco

Part Number: SPZ-72355

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Pinion Bearing Kit, PBK GM 8.2" CAR '64-'72

Part Number: MGR-R10CRPK

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Pinion Bearing Kit, PBK GM 8.2" CAR '64-'72

Part Number: MGR-R10CRTPK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Axle Assembly, 70(Late)-72 C10 Pick-up, Rear, Centurion 9-inch, 31-Spline, 5 x 5 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-GMC7072X5

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Axle 12P GM REAR, '68-'72 CHEVELE & '70 CAMARO, 30-1/8", 30spl, 2.25" OD BRG(1563), 1 SIDE

Part Number: SPZ-11948

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Yukon 1541H alloy axle kit for 12 Bolt passenger car, '68-'72 Chevelle and '70 Camaro

Part Number: YGA-21286

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Tapered Roller Bearing Set Various Makes 72-14

Part Number: FWB-32307A

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

SHIFT KNOB LONG GRY CARB FBR

Part Number: MMG-04-0904

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

SHIFT KNOB SHORT Gray CARB FBR

Part Number: MMG-04-0906

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Wheel Bearings, Bearings, Seals, Front, Ford, Mercury, Kit

Part Number: RAT-12105

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Bearing Housing, Taper Bearing Cup, Steel, 0.625 in. Width, 2.717 in. O.D., Each

Part Number: TMK-14276

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Neutral Safety Switch , Pivot, Manual Transmission, Plastic, Chevy, Pontiac, Each

Part Number: OPS-TSS49

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

BELLY BUSTER WEIGHTS

Part Number: ERL-80072S

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Manual Shifter, Street Super, Muncie, BW T10/Super T10, Ford T&C, Each

Part Number: HUU-3917535

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Shifter Installation Kit, Super Shifter 3, Top Loader, 432/433, Ford, Kit

Part Number: HUU-3738615

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Differential Bearing Race, 2.875 in. Diameter, Each

Part Number: TMK-02820

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Wheel Bearing, GM Genuine Part, 0.750 in. Bore Diameter, Steel, 1.781 in. O.D., AMC, Buick, Chevrolet, Chrysler, Ford, GMC, Mercedes-Benz, Olds, Each

Part Number: ADO-A2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pinion Bearing, 1.187 in. i.d., Aston Martin, Chrysler, Dodge, Plymouth, Jaguar, Jeep, Mitsubishi, Rover, Each

Part Number: TMK-M88043

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Wheel Bearing, Tapered, Universal, Each

Part Number: NTL-30206

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

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Estimated Ship Date: Nov 28, 2025 if ordered today

Wheel Bearing, Tapered, Aston Martin, Chevy, GMC, Jeep, Each

Part Number: NTL-24780

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

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Estimated Ship Date: Nov 28, 2025 if ordered today

Clutch Master Cylinder, Firewall Kit Only, Adjustable, Cast Aluminum, Black, Chevy, Kit

Part Number: MCL-1434004

4.08 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Clutch Return Springs, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: OPG-KR00508

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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