OLDSMOBILE CUTLASS 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 1541H Alloy Axles YA G551818

Axle Shaft, Rear, C-Clip, 1541H Alloy, 26 Spline, 28.438 in. Length, GM 7.5/7.625 in., Chevy, Each

Part Number: YGA-21288

5.0 out of 5 stars ( 3 )

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Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM7.5

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit

Part Number: YGA-55047

4.29 out of 5 stars ( 7 )

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Motive Gear Differential Bearing Kits R12CR

Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: MGR-R12CR

3.0 out of 5 stars ( 1 )

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Motive Gear Master Ring and Pinion Installation Kits R8.5PRMKT

Ring and Pinion Installation Kit, Master Kit, GM 8.2 in. BOP, Kit

Part Number: MGR-R85PRMKT

3.6 out of 5 stars ( 5 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5OLDS-342 GM 8.5 in. O axle 3.42 Gears

RING AND PINION

Part Number: YGA-24689

Not Yet Reviewed

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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 )

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Motive Gear Light-Duty Axle Shafts MG1010

Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 29.625 in. Length, Each

Part Number: MGR-MG1010

Not Yet Reviewed

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Yukon Gear & Axle 10 Bolt GM 8.2 Inch, BOP axle Differential Cover YP C1-GM8.2BOP

Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., BOP Axle, Each

Part Number: YGA-32015

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Differential Carrier Bearings CK GM8.5-HD

Differential Carrier Bearings, Steel, GM 8.5 in., Kit

Part Number: YGA-57009

4.0 out of 5 stars ( 5 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-373 GM 7.5/7.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, GM 7.5/7.6 in., Set

Part Number: YGA-24146

5.0 out of 5 stars ( 1 )

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Richmond Gear Ring and Pinion Sets 69-0169-1 GM 8.5/8.6 in. 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901691

4.6 out of 5 stars ( 5 )

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Motive Gear Master Ring and Pinion Installation Kits R12CRMK

Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMK

3.33 out of 5 stars ( 3 )

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Yukon Gear & Axle Mini Spools YP MINSGM8.5-30

Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32233

4.67 out of 5 stars ( 12 )

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Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5 Inch YC G26010481

Differential Carrier Cases, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20083

4.6 out of 5 stars ( 5 )

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Motive Gear Performance Ring and Pinion Sets G875308 GM 7.5/7.625 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set

Part Number: MGR-G875308

4.0 out of 5 stars ( 4 )

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Richmond Gear EXCel Ring and Pinion Sets GM85308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85308

Not Yet Reviewed

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Motive Gear Differential Carrier Shim Kits SS10

Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.89 out of 5 stars ( 9 )

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Moser Engineering Replacement C-Clip Axles A102801

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Pair

Part Number: MSR-A102801

5.0 out of 5 stars ( 2 )

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Spicer Drivetrain Products Mini Spools 10015388

Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

Not Yet Reviewed

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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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Powertrax Grip Pro Traction Systems GM 8.875 Inch (12-bolt) GT231230

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

Part Number: PWT-GT231230

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt) 546033

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Summit Racing™ Positraction 28 Spline Differential Carriers GM 8.5 Inch SUM-730966

Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730966

5.0 out of 5 stars ( 4 )

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Richmond Gear Ring and Pinion Sets 49-0082-1 GM 8.2 in. BOP axle 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., B or P Axle, 10-Bolt, 3 Series, Set

Part Number: RMG-4900821

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Richmond Gear Mini-Spools 78-7526-1

Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: RMG-78-7526-1

4.4 out of 5 stars ( 10 )

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Motive Gear Ten Factory Axle Shafts MG22102

Axle Shafts, Direct Fit, 1541H Manganese, 28-Spline, 30.430 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: MGR-MG22102

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