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

USA Standard Gear Bearing Kits ZBKGM12T

12T GM BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58045

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Richmond Gear EXCel Pinion Yokes 96-2320

Pinion Yoke, Bolt-On, Steel, 1330, 28-Spline, Ford 9 in., Each

Part Number: RMG-96-2320

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Richmond Gear Differential Carrier Rebuild Kits XL-4012

Differential Carrier Gear Kit

Part Number: RMG-XL-4012

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Gear Installation Kits XL-1070-1

Ring and Pinion Installation Kit, Complete, Chrysler 8.25 in., Rear, Kit

Part Number: RMG-XL-1070-1

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets F9600 Ford 9 in. 6.00 Gears

Gear, Ring and Pinion, EXCel, 6.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Powertrax Replacement Couplers 5201001CJR

COUPLER

Part Number: PWT-5201001CJR

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

OMIX-ADA Transfer Case Replacement Components 18670.12

Gear, Transfer Case, Front Output Shaft, 29 Teeth, Dana 20, Each

Part Number: OMX-1867012

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Pioneer Automotive Automatic Transmission Rebuild Kits 752064

MASTER KIT

Part Number: PIO-752064

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Yukon Gear & Axle Minimum Install Kits for 1963-1979 CORVETTE - MK GMVET-CI

Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Rear, Corvette, Kit

Part Number: YGA-12063

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

ACT Street Clutch Discs 3000603

Clutch Disc, Street/Strip, Organic, 1.125 in.-21-Spline, 8.858 in. Disc, Toyota, Each

Part Number: ACL-3000603

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Dana Spicer Drivetrain Products Spools and Mini Spools 10015382

Performance Mini Spool (Ford 8.8 - 28 Spline)

Part Number: SDH-10015382

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

ATP Automatic Transmission Master Repair Kits RM-4

Automatic Transmission Master Repair Kit, BW35, Kit

Part Number: ATP-RM4

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 524100

TCI Automatic Transmission Clutch Steels 524100

C-4 DIRECT KOLENE STEELS (5)

Part Number: TCI-524100

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

Dana Spicer Drivetrain Products Pinion Supports 10029034

DIFFERENTIAL PINION SUPPORT; NODULAR IRON; 5-BOLT DAYTONA BEARING; 28 SPLINE

Part Number: SDH-10029034

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 Axle Shafts ZA W46105

12" 30spl GM D60 OUTER STUB, 4340

Part Number: SPZ-35120

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Dorman Pinion Yokes 697-539

Yoke

Part Number: RNB-697-539

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

USA Standard Gear Spools and Mini Spools ZP MINSD44-30

USA Standard mini spool for Dana 44 with 30 spline axles

Part Number: SPZ-59021

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA G25501599

Axle Shaft, 28-Spline, 30.438 in. Length, Rear, GM, Each

Part Number: YGA-21426

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKD60-S-32

Yukon standard open spider gear kit for Dana 60 with 32 spline axles

Part Number: YGA-16084

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

RAM 7.25 Stock Car Series Clutch Discs 8951-2

Clutch Discs, Metallic, 1 1/8 in. Diameter Shaft, 10-Spline, 7.25 in. Diameter Disc, Circle Track, Set of 2

Part Number: RAM-8951-2

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

RAM 300 Series Clutch Discs 303M

Clutch Disc, Organic, 1 in. Diameter Shaft, 23-Spline, 10.5 in. Diameter Disc, Dodge, Plymouth, Chrysler, Each

Part Number: RAM-303M

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Dorman Ring and Pinion Installation Kits 697-108

Ring and Pinion Bearing Installation Kit

Part Number: RNB-697-108

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Pioneer Automotive Automatic Transmission Rebuild Kits 752085

MASTER KIT

Part Number: PIO-752085

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK F9-B

Yukon Bearing install kit for Ford 9" differential, LM501310 bearings

Part Number: YGA-11044

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Sachs Stock Replacement Clutch Kits K1877-06

CLUTCH KIT

Part Number: SXR-K1877-06

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today