OLDSMOBILE CUTLASS Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Richmond Gear Ring and Pinion Sets 69-0035-1 GM 8.875 in. (12-bolt) passenger car 5.38 Gears

Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900351

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

Richmond Gear Full Spools 81-1235-1

Spool, Full Size, Steel, 35-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-81-1235-1

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75390TK GM 7.5/7.625 in. 3.90 Gears

Ring and Pinion Kit

Part Number: RMG-GM75390TK

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC373

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC410 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-12BC410

Not Yet Reviewed

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Richmond Gear Ring and Pinion Sets 69-0324-1 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903241

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70118 GM 7.5/7.625 in. 4.56 Gears

3.25 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Richmond Gear Ring and Pinion Sets 69-0326-1 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-6903261

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

Richmond Gear Pro Gear Ring and Pinion Sets 79-0031-1 GM 8.875 in. (12-bolt) passenger car 5.57 Gears

Gear, Ring and Pinion, 5.57:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-7900311

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

SKF Bearings Ring and Pinion Gear Installation Kits SDK320-MK

Differential master rebuild kit

Part Number: SKF-SDK320-MK

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Gear Installation Kits YGK2362

Ring and Pinion Gears and Installation Kit, 8.2" BOP 3.90 RATIO REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI

Part Number: YGA-12580

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Gear Installation Kits YGK2358

Ring and Pinion Gears and Installation Kit, 8.2" BOP 3.90 RATIO REAR R&P GEAR/ INSTALL KIT PACKAGE

Part Number: YGA-12586

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R7.5GRB

Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GRB

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Master Ring and Pinion Installation Kits R7.5GRBMKT

Ring and Pinion Installation Kit, Master, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GRBMKT

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R7.5GRBT

Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GRBT

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Powertrax Cross Shaft Pins SG1920

Cross Shaft, Steel, GM 8.5 in. with Lock Right Differential, 28, 30-Spline, Each

Part Number: PWT-SG1920

Not Yet Reviewed

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Richmond Gear Cross Pins and Shafts 80-0269-1

Cross Shaft, Differential, Steel, GM, 12-Bolt, 8.875 in. Each

Part Number: RMG-8002691

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R8.5ORT

Ring and Pinion Installation Kit, Basic, GM 8.5 in. O Axle, Rear, Kit

Part Number: MGR-R8-5ORT

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Differential Pinion Bearing Kits R8.5PRTPK

Pinion Bearing and Races, Differential Pinion Bearing, 8.2 BOP, GM, Kit

Part Number: MGR-R8-5PRTPK

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R7.5GRT

Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GRT

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

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

Ring and Pinion Installation Kit, Master, GM 8.5 in. O Axle, Rear, Kit

Part Number: MGR-R8-5ORMK

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

SVL Drivetrain Axle Shafts 2022589-2

Rear Axle Shaft (Dana 44) LH/RH

Part Number: SVL-2022589-2

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

Timken Ring and Pinion Gear Installation Kits DRK321

BEARING AND SEAL KIT

Part Number: TMK-DRK321

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Timken Ring and Pinion Gear Installation Kits DRK323

BEARING AND SEAL KIT

Part Number: TMK-DRK323

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Powertrax Cross Shaft Pins 3991019RED

PINION SHAFT

Part Number: PWT-3991019RED

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Richmond Gear Ring and Pinion Sets 49-0048-1 GM 7.5/7.625 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900481

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today