1972 OLDSMOBILE CUTLASS Differential & Rear-End Components

Ring and Pinion Installation Kit, GM 8.5 in., Rear, Kit

Part Number: SPZ-37055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12621

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: YGA-14090

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Cross Pin, GM, 12-Bolt, 8.875 in., Each

Part Number: MGR-3931175

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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

Part Number: MGR-706016XR

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Estimated Ship Date: Monday 11/3/2025

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Gear, Ring and Pinion, 3.23:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24493

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

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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 )

Estimated Ship Date: Monday 11/3/2025

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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 )

Estimated Ship Date: Monday 11/3/2025

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

Part Number: YGA-20084

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Estimated Ship Date: Monday 11/3/2025

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Differential Pinion Bearing Kit, GM 8.875 in. Car, Timken Bearings, Chevy, GMC, Kit

Part Number: MGR-R12CRTPK

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Estimated Ship Date: Monday 11/3/2025

Ring and Pinion Gears and Installation Kit, 8.2" BOP 3.73 RATIO REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI

Part Number: YGA-12581

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Crush Sleeve, Steel, 0.620 in. Tall, Each

Part Number: YGA-33097

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.125 in. Length, Each

Part Number: MGR-MG1015

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

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Pinion Nut, Steel, Each

Part Number: YGA-33152

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Cross Pin, GM, 10-Bolt, 8.5 in. Each

Part Number: MGR-14006401

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Estimated Ship Date: Monday 11/3/2025

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/3/2025

Differential Cross Shaft, Steel, 0.795 in. Diameter, Each

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025