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.

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Results 1 - 25 of 144

Crown Automotive Wheel Hub Assemblies S-437

Wheel Hub, Steel, Natural, Jeep, Each

Part Number: CWA-S437

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2100S

Clutch Kit, Concept 9.5 Dual Disc, Organic Disc, 1 1/8 in.- 26 Spline Disc, Steel Flywheel, Cadillac, Chevrolet, Pontiac, Kit

Part Number: RAM-75-2100S

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

Motive Gear Ring and Pinion Sets F9.75-373 Ford 9.75 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Ford, 9.75 in., Set

Part Number: MGR-F9-75-373

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets F9.75-355 Ford 9.75 in. 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, Ford, 9.75 in., Set

Part Number: MGR-F9-75-355

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Pioneer Automotive Pilot Bearings and Bushings PB-75

PILOT BUSHING

Part Number: PIO-PB-75

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

USA Standard Gear Shifter Bushings and Clips, Manual Transmission ZMZF42-75

Manual Transmission Shift Shaft Detent Plug, Manual Transmission Shift Shaft Detent Plug

Part Number: SPZ-ZMZF42-75

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

USA Standard Gear Axle Shafts for 1975-1979 F-250 - ZA W38813

4340 Chromoly Axle, '75-'79 Ford F250, LH inner, 30spl, uses 5-760X u/joint

Part Number: SPZ-35076

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

Yukon Gear & Axle 1541H Alloy Axles for 1975-1979 F-250 - YA D27902-31X

Yukon 1541H inner axle for Dana 44 and '75-'79 Ford F250

Part Number: YGA-21055

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2100NS

Clutch Kit, Concept 9.5 Dual Disc, Metallic Disc, 1 1/8 in.- 26 Spline Disc, Steel Flywheel, Cadillac, Chevrolet, Pontiac, Kit

Part Number: RAM-75-2100NS

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

Silver Sport EasyFit Tremec TKX Transmission Kits for 1975-1981 CAMARO, FIREBIRD - EFKF2LTKX

Silver Sport EasyFit TREMEC TKX Install Kit 75-81 GM F-Body wo/console

Part Number: IST-EFKF2LTKX

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

FAG USA Multi-Purpose Oil Seals SS6248

Seal Dodge,Iveco 75-89

Part Number: FWB-SS6248

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

FAG Bearings Timing Cover Seals SS3370

Seal Ford,Mazda,Mercury,Saab 75-09

Part Number: FWB-SS3370

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

FAG USA Wheel Bearing Seals SS3027

Seal FoMoCo,Mercedes-Benz 75-91

Part Number: FWB-SS3027

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

FAG Bearings Timing Cover Seals SS2433

Seal Geo,GM,Isuzu,Toyota 75-13

Part Number: FWB-SS2433

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel for 1984-1992 CAMARO, 1982-1992 FIREBIRD - 75-2155S

Clutch Kit, Force 9.5 Dual Disc, Organic Disc, 1 1/8 in.- 26-Spline, Steel Flywheel, External Balance, Chevy, Pontiac, Kit

Part Number: RAM-75-2155S

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

RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel for 1984-1992 CAMARO, 1982-1992 FIREBIRD - 75-2155NS

Clutch Kit, Force 9.5 Dual Disc, Metallic Disc, 1 1/8 in.- 26-Spline, Steel Flywheel, External Balance, Chevy, Pontiac, Kit

Part Number: RAM-75-2155NS

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

RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2250NS

Clutch Kit, Force 9.5 Dual Disc, Metallic Disc, 1 1/16 in. 10-Spline, Steel Flywheel, 157 Tooth, Ford, Kit

Part Number: RAM-75-2250NS

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

Yukon Gear & Axle 4340 Chromoly Axles for 1975-1979 F-250 - YA W38813

Left hand inner 4340 Chromoly axle shaft for '75-'79 Ford F250, uses 5-760X u/joint

Part Number: YGA-21669

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles for 1974-1983 BRONCO - YA FBRONCO-4-35

Yukon 1541H alloy rear axle kit for Ford 9" Bronco from '74-'75 with 35 splines

Part Number: YGA-21547

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

USA Standard Gear Axle Shafts for 1975-1979 F-250 - ZA W38814

4340 Chromoly axle, 75-79 F250, RH Inner, uses 5-760X u/joint

Part Number: SPZ-35077

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

FAG USA Wheel Bearings WB2181

Tapered Roller Bearing Set Chevrolet,Dodge,Ford,GMC 75-18

Part Number: FWB-WB2181

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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SKF Bearings Tapered Cone Bearings BR101

Not Yet Reviewed

Estimated Ship Date: Today

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ATP Automatic Transmission Filter Kits B-75

Transmission Filter, Direct-Fit, Kit

Part Number: ATP-B75

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

FAG USA Wheel Bearing Seals SS2450

Seal Various Makes 75-16

Part Number: FWB-SS2450

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

B&M Transmission Brackets and Levers 20462BM

Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Today

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National Bearing Automatic Transmission Selector Shaft Seals 8792S

Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each

Part Number: NTL-8792S

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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