1978 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

B&M Transmission Brackets and Levers 30499

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

Part Number: BMM-30499

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Timken Differential Bearings SET69

Differential Carrier Bearings, Standard Replacement, Includes Cup, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-SET69

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Yukon Gear & Axle Pinion Shims SK T8

Pinion depth shim kit for Toyota8", GM 7.5", 8.2" & 12 bolt truck

Part Number: YGA-55064

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

ATP Flywheel and Flexplate Ring Gears ZA-501

Flywheel Ring Gear, 164-Tooth, Replacement, Ford, Each

Part Number: ATP-ZA501

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Motive Gear Differential Carrier and Pinion Shim Kits GM7.5MSK

MASTER SHIM KIT GM 7.5

Part Number: MGR-GM7-5MSK

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Competition Engineering Flywheel and Flexplate Shims C4049

Shims, Flywheel or Flexplate, 0.090 in. Thick, V8, Ford Windsor, Set of 3

Part Number: CEE-4049

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Timken Differential Bearings 25577

Bearing, Differential Carrier, Each

Part Number: TMK-25577

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Mile Marker Hub Service Kits 449SK

Locking Hub Service Kit, 449SK, Chevrolet, Ford, Kit

Part Number: MMK-449SK

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pioneer Clutch Forks CF-131

Clutch Fork, Steel, Black, Chrysler, Dodge, Plymouth, Each

Part Number: PIO-CF-131

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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QuickTime Flexplate Spacers RM-943

Flexplate Spacers, Steel, Ford, 5.0, 5.8L, Set of 5

Part Number: QTI-RM-943

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Motive Gear Mini Spools MS9-31

Spool, Mini, Steel, 31-Spline, 10-Bolt, Ford 9 in., Each

Part Number: MGR-MS9-31

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Advance Adapters Pilot Bearings 716122

Advance Adapters Pilot Bearings 716122

Pilot Bushing, Roller, Steel Roller Bearing, Ford, Each

Part Number: ADD-716122

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Mile Marker Hub Service Kits 402SK

Replacement, Service Kit for Hub, Kit

Part Number: MMK-402-SK

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Yukon Gear & Axle U-Joint Strap Kits YY STR-001

U-Joint Straps, Detroit 7260 Style, Steel, Natural, Kit

Part Number: YGA-41192

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Timken Wheel Bearing Races 18720

TAPER CUP

Part Number: TMK-18720

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spicer Drivetrain Products Differential Cover Kits 707105-1X

Differential Cover, Steel, Natural, Dana 70, Kit

Part Number: SDH-707105-1X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Ratech Front Bearing and Seal Kits 12603

Wheel Bearings, Bearings, Seals, Front, Chrysler, Dodge, Plymouth, Kit

Part Number: RAT-12603

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Yukon Gear & Axle Pinion Shims SK 21104

Pinion Shims, Steel, Kit

Part Number: YGA-55008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Timken Pinion Bearings 31594

Tapered Bearing, Roller, Each

Part Number: TMK-31594

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Moog Super Strength U-Joints 248

Universal Joint, Super Strength, 7290 Style, Greasable, Steel, Each

Part Number: MOG-248

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Goodmark Clutch Pushrods GMK4012951692S

CLUTCH LOWER PUSHROD & SWIVEL,

Part Number: GMK-4012951692S

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Timken Wheel Bearings 25877

Wheel Bearings, Steel, 1.375 in. Bore Diameter, 0.969 in. Width, for Nissan, AMC, Chevy, Chrysler, Ford, Freightliner, GMC, Hino, Jeep, Pontiac, Each

Part Number: TMK-25877

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Timken Pinion Bearing Races HM803110

Pinion Bearing Race, Fits Bearing with 3.500 in. Outside Diameter, Each

Part Number: TMK-HM803110

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Crown Automotive Differential Carrier Bearings J8126500

Differential Carrier Bearings, Two Bearings, Two Races, Jeep, Kit

Part Number: CWA-J8126500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

RAM Flywheel Bolts 530

Flywheel Bolts, 12-point, Steel, Black Oxide, Chevy, Set of 6

Part Number: RAM-530

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air