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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 37

Transmission Kickdown Brackets, Steel, Gold Anodized, Chevy, Small Block, Each

Part Number: HLY-20-45

4.22 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Axle Shaft, CV-Style, Replacement, Each

Part Number: AAZ-60-2045

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 2025 if ordered today

Clutch cable

Part Number: ALB-45-2045

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

Differential Seals, Rubber, Yamaha, Rear, Kit

Part Number: ALB-25-2045-5

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

Differential Bearings, Rear, Yamaha, Kit

Part Number: ALB-25-2045

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

SEAL

Part Number: TMK-204507

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, CHEV 454 1970-90, 168T, Early, External Bal, 168T, 4mm Thick Core, High Inertia Design, Early, External Balan

Part Number: PQX-2045470

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, CHEV 454 1970-90, 168T, Early, External Bal, .187" Thick Core, High HP Design, Incl Late Model 6 bolt convert

Part Number: PQX-2045473

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, PONT 326-455 1957-79, 166T, External Balance

Part Number: PQX-2045572

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

Oil Seal, 16mm I.D., 28mm O.D., 7mm. Width, Volvo Penta, Each

Part Number: RRA-18-2045

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

Single Disc Stage 5 Clutch Kit (2MS) for Toyota Corolla XRS 2009-2012 2.4L (2AZ-FE)

Part Number: ANH-ACR-2045

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

TH350 Forward Clutches

Part Number: JPT-20458-1

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

HIGH PERFORMANCE BAND

Part Number: JPT-20450

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

HIGH GEAR CLUTCHES

Part Number: JPT-20455

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

TH350 High Gear Clutches

Part Number: JPT-20455-1

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

INTERMEDIATE CLUTCHES (3 PER SET)

Part Number: JPT-20456

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

TH350 Intermediate Clutch

Part Number: JPT-20456-1

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

LOW/REVERSE CLUTCHES (5 PER SET)

Part Number: JPT-20457

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

FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, OLDS V8 Incl. Diesel, 166T, Neutral Balance

Part Number: PQX-2045573

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

SEAL

Part Number: TMK-204503

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

SEAL

Part Number: TMK-204505

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

SEAL

Part Number: TMK-204506

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

SEAL

Part Number: TMK-204501

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

SEAL

Part Number: TMK-204502

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

SEAL

Part Number: TMK-204500

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

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