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

Currie 9 in. Crate Rear End Assemblies CR-GA135TNBB

64-66 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GA135TNBB

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG141TNBB

78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 4.11 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GG141TNBB

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Motive Gear Full Spools FS10-30

Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-30

5.0 out of 5 stars ( 4 )

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Yukon Gear & Axle Spider Gear Kits YPKGM8.5-S-28

Spider Gears, Open, Front or Rear, Internal Kit, Side Gears, Cross Pin and Bolt, GM, 8.5 in., 28 Spline, Kit

Part Number: YGA-16054

4.0 out of 5 stars ( 4 )

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Yukon Gear & Axle Pinion Nut Washers YSPPN-033

Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

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USA Standard Gear Ring and Pinion Sets ZG GM7.5-456 GM 7.5/7.625 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36201

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Richmond Gear Ring and Pinion Sets 69-0306-1 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903061

4.5 out of 5 stars ( 4 )

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Powertrax Lock-Right Lockers GM 7.5 Inch 1930-LR

Differential, Lock-Right, Locker, 26-Spline, GM, 7.5 in., Each

Part Number: PWT-1930-LR

4.75 out of 5 stars ( 8 )

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Dorman 10 Bolt GM 7.5/7.625 Inch Differential Cover 697-701

Differential Cover, Steel, Natural, Chevy, GMC, Oldsmobile, Pontiac, 7.500 in., 7.625 in., 10-Bolt, Each

Part Number: RNB-697-701

4.0 out of 5 stars ( 3 )

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Yukon Gear & Axle 10 Bolt GM 7.5/7.625 Inch Differential Cover YP C1-GM7.5

Differential Cover, 10-bolt, Steel, Chrome, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32014

5.0 out of 5 stars ( 1 )

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Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2023704 GM 8.5/8.6 in. 4.88 Gears

Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set

Part Number: SVL-2023704

5.0 out of 5 stars ( 1 )

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RESTOPARTS® Supplied Differential Vents C220128

Differential Vent, Round Head Style, Plastic, White, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OPG-C220128

3.0 out of 5 stars ( 3 )

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Yukon Gear & Axle Differential Crush Sleeves YSPCS-020

Crush Sleeve, Steel, GM 8.2 in., GM 8.2 in., BOP Axle, Each

Part Number: YGA-33103

Not Yet Reviewed

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Richmond Gear Complete Ring and Pinion Installation Kits 83-1083-1

Ring and Pinion Install Kit

Part Number: RMG-83-1083-1

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Motive Gear Pinion Nuts 1260823

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Auburn Gear Grip-N-Loc 26 Spline Differential GM 7.5/7.625 Inch 546044

Auburn Gear Grip-N-Loc 26 Spline Differential GM 7.5/7.625 Inch 546044

Differential, Auburn, Grip-N-Loc, Limited Slip, 26-Spline, GM, 7.5 in., 7.625 in., Each

Part Number: AUB-546044

Not Yet Reviewed

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Richmond Gear Crush Sleeves 19-0004-1

Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

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Richmond Gear EXCel Ring and Pinion Sets 12BC410T GM 8.875 in. (12-bolt) passenger car 4.10 Gears

Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC410T

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Master Overhaul Kits YK GM7.5-A

Installation Kit, Master Overhaul, GM 7.5 in., Kit

Part Number: YGA-14076

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Richmond Gear Cross Pins and Shafts CSPGM75

Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., with Mini Spool, Each

Part Number: RMG-CSPGM75

4.0 out of 5 stars ( 4 )

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RideTech Stock Width 4-Link Axle Assemblies 11249682

Axle Assemblies, Stock Width, Ford 9 in., Black, 60.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy,Buick, Oldsmobile, Pontiac, Kit

Part Number: ART-11249682

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Motive Gear Differential Bearing Kits 706016XR

Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

Not Yet Reviewed

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National Bearing Pinion Bearings M88048

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: NTL-M88048

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Motive Gear Full Spools FS10-28

Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-28

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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