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

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: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 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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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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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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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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Richmond Gear Ring and Pinion Installation Half Kits 83-1021-B

Ring and Pinion Installation Kit, GM, 10-Bolt, 8.5 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831021B

2.67 out of 5 stars ( 3 )

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Motive Gear Pinion Nuts 1260823

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

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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 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Powertrax Differential Spring Rebuild Kits 8001001KAV

Replcement Springs, Powertrax No-Slip, Kit

Part Number: PWT-8001001KAV

4.93 out of 5 stars ( 15 )

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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

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Richmond Gear Ring and Pinion Sets 49-0005-1 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

5.0 out of 5 stars ( 1 )

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Richmond Gear Solid Pinion Bearing Spacers 04-0012-1

Differential Side Bearing Spacer; Solid Differential Spacer; Fits GM 12 Bolt Car

Part Number: RMG-04-0012-1

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Richmond Gear Full Spools 81-1030-1

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

Part Number: RMG-81-1030-1

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

National Bearing Pinion Bearings M88048

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: NTL-M88048

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Dorman Ring and Pinion Sets 697-810 GM 8.5 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-810

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SVL Drivetrain Spider Gear Kits 10020477

Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, Rear, Open, 28-spline, 10-bolt, GM 8.5 in., Kit

Part Number: SVL-10020477

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

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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Yukon Gear & Axle Differential Crush Sleeves YSPCS-014

Crush Sleeve, Steel, 0.620 in. Tall, Each

Part Number: YGA-33097

1.0 out of 5 stars ( 1 )

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Summit Racing™ 9 in. Ford Grand National Rear-End Assemblies for 1978-1987 REGAL, MONTE CARLO, 1980-1981 CUTLASS - SUM-CSUMCT006

Rear End Assembly, Grand National, Ford 9 in., 31-Spline Axles, 5 x 4.75 in. Pattern, G-Body Mounts, Kit

Part Number: SUM-CSUMCT006

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Yukon Gear & Axle Ring and Pinion Gears YGK2331

Ring and Pinion Gears and Installation Kit, 8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12622

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

Dorman Ring and Pinion Sets 697-719 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-719

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Yukon Gear & Axle Ring and Pinion Gears YGK2335

Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12626

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Motive Gear Performance Ring and Pinion Sets G885273 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-G885273

5.0 out of 5 stars ( 1 )

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Richmond Gear EXCel Ring and Pinion Sets GM75308 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Kit

Part Number: RMG-GM75308

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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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