PONTIAC GTO Differential & Rear-End Components

64-66 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GA135TNBB

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Estimated Ship Date: Nov 3, 2025 if ordered today

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68-72 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GA235TNBB

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Gear, Ring and Pinion, 3.90:1 Ratio, 7.75 in. IRS, Pontiac, Set

Part Number: MGR-G80390

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 18, 2025 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-136

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: YGA-13069

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Pinion Bearing, Rear, 1.875 in. i.d., Buick, Cadillac, Chevy, Chrysler, Dodge, Plymouth, Mitsubishi, Each

Part Number: TMK-M804049

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Thrust Washer, Open Differential, GM 8.875 in. Passenger Car, Truck, Each

Part Number: YGA-33380

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Estimated Ship Date: Today

12P GM BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58044

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24492

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 2, 2025 if ordered today

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Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in., 12-Bolt Car, Each

Part Number: PWT-GT231230

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Thrust Washer, Differential Carrier Replacement Part, GM 8.875 in. (12-bolt), Each

Part Number: YGA-33381

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Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, GM, 8.2 in., 10-Bolt, Set

Part Number: RMG-GM82411

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Crosspin Bolt, Each

Part Number: YGA-33344

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 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: Nov 17, 2025 if ordered today

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Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 20, 2025 if ordered today

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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: Today

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Differential Cover, Aluminum Girdle Cover, Natural, 12-bolt, GM 8.875 in. Passenger Car, Each

Part Number: YGA-32116

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Estimated Ship Date: Dec 1, 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: Today

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882411

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Estimated Ship Date: Today

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

Part Number: YGA-16064

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today