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.

Individual Parts

Part Groups

Results 1 - 25 of 30

HardDrive Compensator Sprockets 820-52631

COMP SPROCKET B/T 85-11 34T

Part Number: HDD-820-52631

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 9, 2025 if ordered today

Dana Spicer Drivetrain Products Yokes 3-4-8511-1

DRIVE SHAFT END YOKE

Part Number: SDH-3-4-8511-1

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 17, 2025 if ordered today

Winters 10-Spline Quick-Change Gears 8511

Quick Change Gears, 10-Spline, SAE 8620 Steel, Set 11, 22/27 Teeth, Pair

Part Number: WPP-8511

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

FAG USA Wheel Bearing Seals SS2681

Seal Various Makes 85-11

Part Number: FWB-SS2681

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

The Driveshaft Shop Axle Shafts, Direct Fit 510194

Axle Shafts, Direct fit

Part Number: DSS-RA8511L5

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 8, 2025 if ordered today

Hays Street/Strip Clutch Kits 85-114

Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Buick, Chevy, GMC, Pontiac

Part Number: HAY-85-114

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 5, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 5, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Zoom MU Series Clutches MU5473-1B

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Hays Classic Clutch Kits 85-112

Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Buick, Chevy, GMC, Pontiac

Part Number: HAY-85-112

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Dec 5, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 5, 2025 if ordered today

Hays Street/Strip Clutch Kits 85-113

Clutch, Street/Strip, General Motors, V6/L6, Each

Part Number: HAY-85-113

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 8, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Centerforce II Clutch Kits KCFT355216

5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

...Loading

Hays Classic Clutch Kits 85-110

Clutch Kit, Street, Organic, 1 1/8 in.-10-Spline, 11 in. Diameter Disc, Buick, Chevy, Pontiac, Kit

Part Number: HAY-85-110

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 5, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 5, 2025 if ordered today

Continental Conti V Insta-Power Lawn and Garden V-Belts 851170

LAWN AND GARDEN BELTS

Part Number: CEL-851170

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

ACDelco GM Genuine Parts CV Axle Shafts for 2017-2019 ACADIA - 85119723