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 Differential Clutch Sets YPKGM7.5-PC-DG1

Differential Clutch, Dura-Grip Composite Clutch Pack, Rear, GM, 7.5/7.625 in., Set

Part Number: YGA-16119

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

Hurst Replacement Axle Shafts 02-116

Axle Shaft, Rear, 6 x 5.50 in. Bolt Circle, GM, Each

Part Number: HUU-02-116

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SVL Drivetrain Ring and Pinion Gear Sets 2020468 Dana 35 3.55 Gears

Ring & Pinion Gear Set Dana 35 / 3.55 Ratio

Part Number: SVL-2020468

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits F9IK

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

Part Number: MGR-F9IK

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Richmond Gear Differential Carrier Bearing Shim Kits 38-0007-1

Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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SVL Drivetrain Ring and Pinion Gear Sets 2020481 Dana 35 3.73 Gears

Ring & Pinion Gear Set Dana 35 / 3.73 Ratio

Part Number: SVL-2020481

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Motive Gear Ring and Pinion Sets F9-370 Ford 9 in. 3.70 Gears

Ring and Pinion Gears, 10-bolt, 28-spline, 3.70:1 Ratio, Standard Rotaion, Ford 9 in., Set

Part Number: MGR-F9-370

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

CA Rear-End Vents for 1953-1996 CORVETTE - 35746

Differential Vent, Replacement Rear-End Vent, Round Vent Head Style, Plastic, Black, Chevrolet, Each

Part Number: MMU-35746

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Yukon Gear & Axle Dura Grip Positraction Carriers Dana 60/61 YDGD60-3-30

Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Nodular Iron, Dana 60, Dana 61, Each

Part Number: YGA-26037

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Currie 9 in. Crate Rear End Assemblies CR-GG135TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG135TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

SVL Drivetrain Spider Gear Kits 2023888

Differential Inner Gear Kit; Ford 9 - 28 Spline, Positraction

Part Number: SVL-2023888

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

USA Standard Gear ZG Series Ring and Pinion Sets ZG GM8.5-342 GM 8.5/8.6 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Bearing Kits BK GM8.5-HD

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit

Part Number: YGA-11069

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 Bearing Kits ZBKD44-REAR

Ring and Pinion, Installation Kit, Dana 44, Kit

Part Number: SPZ-58019

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

Motive Gear Ring and Pinion Sets D44-392 Dana 44 3.92 Gears

Gear, Ring and Pinion, 3.92:1 Ratio, Dana 44, Set

Part Number: MGR-D44-392

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 Ring and Pinion Sets YG D44R-538R Dana 44 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Reverse Ring Gear Rotation, Dana 44, Dana 44 IFS, Set

Part Number: YGA-24057

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

Powertrax Grip Pro Traction Systems GM 8.875 Inch (12-bolt), truck GT248730

Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in. 12-Bolt Truck, Each

Part Number: PWT-GT248730

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.875 Inch (12-bolt), truck YDGGM12T-3-30-1

4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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USA Standard Gear Axle Shafts ZA G1255802-SH

Axle Shaft, 28-Spline, 30.125 in. Length, Rear, Chevy, Pontiac, Each

Part Number: SPZ-35050

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Motive Gear Ring and Pinion Sets D35-373 Dana 35 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 35, Set

Part Number: MGR-D35-373

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Spicer Drivetrain Products Ring and Pinion Gear with Installation Kits 22105-5X Dana 44 4.55 Gears

Gear, Ring and Pinion, 4.55:1 Ratio, Dana 44, Set

Part Number: SDH-22105-5X

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Spicer Drivetrain Products Differential Pinion Nuts 30185

Pinion Nut, Steel, 3/4 in.-16 Thread, Each

Part Number: SDH-30185

5.0 out of 5 stars ( 1 )

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Powertrax Grip Pro Traction Systems Ford 9 Inch GT109028

Differential, Grip Pro Traction System, 28-Spline, Ford, 9 in., Each

Part Number: PWT-GT109028

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

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Summit Racing™ Ford 9 in. Trac-Loc 28 Spline Differential Ford 9 Inch SUM-CTF9TRACL28

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG F8.8-355 Ford 8.8 in. 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, 1.625 in. Pinion, 8.800 in. Ring Gear, Ford 8.8 in., Set

Part Number: YGA-24095

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Currie 9 in. Crate Rear End Assemblies CR-GC741TWAB

Crate Axle, 73-87 Chevy C10 Centurion 9-Inch, 5-Lug, Black PC, 31-Spline, 4.11 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GC741TWAB

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Currie 9 in. Crate Rear End Assemblies for 1970-1981 CAMARO, FIREBIRD - CR-GF335TWAB

Crate Axle, 70-81 GM Camaro/F-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GF335TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today