PONTIAC GRAND PRIX Differential & Rear-End Components

Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit

Part Number: MGR-GM12IKC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Differential, Auburn, Locker, 30-Spline, GM, 8.875 in., 12-Bolt, Each

Part Number: AUB-545010

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Pinion Bearing Race, Avanti, Buick, Cadillac, Chevy, GMC, Oldsmobile, Dodge, Hummer, Isuzu, Mitsubishi, Each

Part Number: TMK-HM89210

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Estimated Ship Date: Tomorrow

Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each

Part Number: MGR-RGBT-003

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Bearing Race, Steel, Each

Part Number: NTL-M88010

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Ring and Pinion Installation Kit, GM 8.2 in. BOP Axle, Rear, Kit

Part Number: SPZ-37054

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Differential, Eaton Detroit Locker, 26-Spline, GM, 7.5 in., Each

Part Number: ETN-162C58A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 29, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., 7.625 in., Each

Part Number: RMG-8002701

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow if ordered today

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Pinion Shim Pack

Part Number: MGR-1102

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 4 Series Carrier, Each

Part Number: PWT-LS241230

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Estimated Ship Date: Tomorrow

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Crush Sleeve, Steel, 0.625 in. Tall, Each

Part Number: YGA-33110

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SOLID SPACER & SHIM KIT GM12 BOLT CAR

Part Number: MGR-4101

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel

Part Number: RMG-81-1033-1

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Estimated Ship Date: Sep 22, 2025 if ordered today

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

Part Number: RMG-81-1030-1

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Bearing, Pinion, 1.375 in. Inside Diameter, Each

Part Number: NTL-HM88649

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC456

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

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Estimated Ship Date: Sep 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: Oct 2, 2025 if ordered today

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Axle Shaft, 26-Spline, 30.50 in. Length, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Carrier Bearings, GM 12 Bolt

Part Number: RMG-29-0005-1

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Ring & Pinion Gear Set GM 7.5" / 3.23 Ratio

Part Number: SVL-2020639

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Estimated Ship Date: Sep 15, 2025 if ordered today

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WASHER PIN GR 12BLT 8 7/8

Part Number: MGR-3880141

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Estimated Ship Date: Tomorrow