PONTIAC GRAND PRIX Differential & Rear-End Components

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: Dec 1, 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: Dec 2, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 25 Spline, GM 8.2 in. BOP, Kit

Part Number: YGA-11066

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1016-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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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: Nov 26, 2025 if ordered today

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Axle Shaft

Part Number: MGR-22506477

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36195

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Estimated Ship Date: Today

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Differential Main Cap Studs, GM, Kit

Part Number: YGA-32271

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Estimated Ship Date: Dec 15, 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: Dec 1, 2025 if ordered today

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

Part Number: SPZ-39027

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Set

Part Number: SVL-2019331

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4040

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Kit

Part Number: RMG-XL-1044-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.42 Ratio

Part Number: SVL-2020642

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-81-1028-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Overhaul, GM, 8.2 in., Kit

Part Number: YGA-13068

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Estimated Ship Date: Dec 15, 2025 if ordered today

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USA Standard Master Overhaul kit for the '81 & older GM 7.5" differential

Part Number: SPZ-37048

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Differential Inner Gear Kit; GM 7.5/7.6 - 26 Spline, Dura Grip Positraction

Part Number: SVL-10003707

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Installation Kit, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-13069

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12CRT

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75355TK

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Spider Gear Kit, Open, 26 Spline, Rear, GM 7.5 in., GM 7.6 in., Kit

Part Number: YGA-16048

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Dec 12, 2025 if ordered today

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

Part Number: SPZ-58011

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Estimated Ship Date: Nov 28, 2025 if ordered today

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