PONTIAC GTO Differential & Rear-End Components

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: Jul 31, 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: Monday 7/14/2025

Crush Sleeve, Steel, 0.625 in. Tall, Each

Part Number: YGA-33110

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Estimated Ship Date: Monday 7/14/2025

USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.55 ratio

Part Number: SPZ-36166

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Estimated Ship Date: Jul 28, 2025 if ordered today

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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 )

Estimated Ship Date: Monday 7/14/2025

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Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

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Estimated Ship Date: Monday 7/14/2025

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

Part Number: RMG-04-0012-1

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Estimated Ship Date: Aug 4, 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: Aug 14, 2025 if ordered today

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Differential Pinion Nuts, Standard Replacement, Ford Super 8.8 in. and 9.75 in., GM 7.6 in. IRS and 8.6 in. IRS, Each

Part Number: MGR-N811024S100

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Estimated Ship Date: Monday 7/14/2025

Differential, Grip Pro Traction System, 28-Spline, GM 7.75 in. IRS, Each

Part Number: PWT-GT204628

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Estimated Ship Date: Aug 5, 2025 if ordered today

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Ring and Pinion Installation Kit, GM 7.75 in. IRS, Rear, Pontiac, Kit

Part Number: ETN-K-GTO-06R

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Estimated Ship Date: Jul 18, 2025 if ordered today

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Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 3 Series Carrier, Each

Part Number: PWT-LS231230

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Estimated Ship Date: Aug 5, 2025 if ordered today

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BEARING AND SEAL KIT

Part Number: TMK-DRK321MK

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Estimated Ship Date: Aug 1, 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: Aug 4, 2025 if ordered today

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Dura Grip Positraction Carrier, Traction-Loc, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each

Part Number: YGA-26012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 15, 2025 if ordered today

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Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff

Part Number: SVL-10020478

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12604

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Estimated Ship Date: Aug 11, 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: Jul 31, 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: Aug 11, 2025 if ordered today

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Cross Shaft Pin, Mini Spool, GM, 8.2 in., Rear-End, Each

Part Number: RMG-CSPGM82

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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: Monday 7/14/2025

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: Monday 7/14/2025

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

Part Number: MGR-R8-5ORMKT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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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: Aug 4, 2025 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901731

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Estimated Ship Date: Jul 25, 2025 if ordered today

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