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

Yukon Gear & Axle Spider Gear Kits YPKGM14T-P-30-DG

Differential Carrier Rebuild Kit, GM 10.5 in. (14-Bolt), Rear, Open Carrier, Dura Grip, Chevy, GMC, Kit

Part Number: YGA-16167

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2189 Chrysler 8.25 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: SPZ-10902

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Yukon Gear & Axle 10 Bolt Dana 44 Differential Cover YP C1-D44-STD

Differential Cover, 10-bolt, Steel, Chrome, Dana 44, Each

Part Number: YGA-32004

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle 26/28 Spline Differential Carrier Cases GM 7.5/7.625 Inch YC GM7.5-DG-3

Yukon Dura Grip case, GM 7.5 & 7.625", 3.23 & up

Part Number: YGA-20106

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

Mile Marker Supreme Locking Hubs 490

Locking Hubs, Manual, Supreme, Aluminum, Chrome, Toyota, Pair

Part Number: MMK-490

4.0 out of 5 stars ( 5 )

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SKF Bearings Differential Carrier Bearing Races LM29710 VP

Differential Carrier Bearing Race, 2.563 in. Diameter, Rear, for Nissan, Audi, Ford, Dodge, Mazda, Mercury, Mitsubishi, Plymouth, Volkswagen, Each

Part Number: SKF-LM29710VP

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Ratech Complete Ring and Pinion Installation Kits 350K

Ring and Pinion Installation Kit, Dana 35, Kit

Part Number: RAT-350K

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle 30 Spline Differential Carrier Cases Dana 44 YC D706025-X

Differential Carrier, Open Differential Style, 30-spline, Steel, Dana 44, Each

Part Number: YGA-20116

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Motive Gear Open Differential Internal Kits 707247XR

Carrier Rebuild Kit, Dana 35, 27 Spline, Kit

Part Number: MGR-707247XR

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Spicer Drivetrain Products Ring and Pinion Gear with Installation Kits 24649-5X Dana 44 4.09 Gears

Ring and Pinion Complete Kits, 4.09:1 Ratio, 26-spline, Reverse Rotation, Dana 44, Ford, Front, Kit

Part Number: SDH-24649-5X

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

Powertrax Differential Spring Rebuild Kits 1025350KAP

Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Crown Automotive Axle Seal Retainers for 1976-1983 CJ5, 1976-1986 CJ7, 1981-1986 SCRAMBLER - J3184573

Axle Retainer Plate, Steel, Zinc Plated, AMC Model 20, Jeep, Each

Part Number: CWA-J3184573

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Motive Gear Differential Cross Shafts and Fasteners 14006401

Cross Pin, GM, 10-Bolt, 8.5 in. Each

Part Number: MGR-14006401

Not Yet Reviewed

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Motive Gear Mini Spools MS9-28

Spool, Mini, Steel, 28-Spline, 10-Bolt, Ford 8 in., 9 in., Each

Part Number: MGR-MS9-28

4.73 out of 5 stars ( 15 )

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National Bearing Differential Bearings NNTA36

Differential Carrier Bearing, Steel, 3.062 in. Diameter, Each

Part Number: NTL-A36

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Richmond Gear Pro Gear Ring and Pinion Sets 79-0013-1 Dana 60 5.38 Gears

Gear, Ring and Pinion, 5.38:1 Ratio, Dana 60, Set

Part Number: RMG-7900131

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Richmond Gear Complete Ring and Pinion Installation Kits 83-1007-1

Ring and Pinion Installation Kit, Ford, 9 in., 31-Spline Axle, 28-Spline Pinion, Kit

Part Number: RMG-8310071

Not Yet Reviewed

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Moser Engineering C-Clip Axles A102803-1

Axle, C-Clip, Rear, 1541H Alloy Steel, 28-spline, Chevy, Pontiac, 8.5 in., Each

Part Number: MSR-A102803-1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Crown Automotive Axle Hub Flanges for 1976-1983 CJ5, 1976-1986 CJ7, 1981-1986 SCRAMBLER - J8133730

Axle Hub Flange, Rear, Steel, Natural, AMC Model 20, Jeep, Each

Part Number: CWA-J8133730

Not Yet Reviewed

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Motive Gear Solid Pinion Spacers SS9

Solid Spacer, Ford, 9 in. with Daytona Pinion, Each

Part Number: MGR-SS9

4.25 out of 5 stars ( 4 )

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Motive Gear Ring and Pinion Sets GM10-273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-GM10-273

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt), truck 546034

Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt), truck 546034

Differential, Auburn, Grip-N-Loc, Limited Slip, 30-Spline, GM, 8.875 in. (12-Bolt) Truck, Each

Part Number: AUB-546034

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets F9-430A Ford 9 in. 4.30 Gears

Ring and Pinion-Ford 9

Part Number: MGR-F9-430A

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Ratech Deluxe Ring and Pinion Installation Kits 3007K

Ring and Pinion Installation Kit, Ford, 8 in., Kit

Part Number: RAT-3007K

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Motive Gear Differential Bearing Kits R30FRMK

Ring and Pinion Installation Kit, Dana 30, Kit

Part Number: MGR-R30FRMK

Not Yet Reviewed

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