Differentials, Axles & Rear-End Parts

Crosspin Shaft, Steel, Rear, GM 8.2 in., Corvette 8.5 in. Dropout, Each

Part Number: YGA-33411

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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

Part Number: AUB-545010

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: ETN-187C149A

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Free Shipping
• Special Order

Axle Shaft, Direct Fit, w/2.30 in. Bearing Offset, Heat Treat, LH, Rear, 17-spline, 28.825 in. Long, for non-Corvette GM 55P Differentials, Chevy,Kit

Part Number: SPZ-12217

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt car in a 4.11 ratio

Part Number: SPZ-36171

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with 30spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12612

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Free Shipping
• Special Order

Axle 58-'64 GM 55P REAR, RHSHAFT, 17spl, 30-1/4", w/2.300" BEARING OFFSET (NOT_CORVETTE)

Part Number: SPZ-12218

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Bearing Kit, PBK GM 8.2" CAR '55-'64

Part Number: MGR-R8-4RPK

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

Ring and Pinion Kit

Part Number: YGA-YGGM55P-336

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Free Shipping
• Special Order

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12606

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: SPZ-36166

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

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

Part Number: RMG-12BC342

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: RMG-6901731

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Free Shipping
• Special Order

Ring and Pinion Gears, 3.08:1 Ratio, 25-spline, Standard Ring Gear Rotation, GM 8.2 in., Set

Part Number: SPZ-36202

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

• Free Shipping
• Special Order

Bearing Race, Steel, Each

Part Number: NTL-M88010

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Pinion Shaft, CROSS SHAFT-GM 12 BOLT CAR&TRU

Part Number: RMG-XL-5645

Not Yet Reviewed

Estimated Ship Date: Nov 7, 2025 if ordered today

• Special Order

USA Standard Ring & Pinion gear set for GM 12 bolt car in a 4.11 ratio

Part Number: SPZ-36170

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Ring and Pinion Installation Kit, Basic, GM 55P 8.2 in. Drop Out, Rear, Kit

Part Number: MGR-R8-4R

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Ring and Pinion Installation Kit, GM, 8.2 in., 25-Spline, Open, Kit

Part Number: MGR-GM8-2IK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Ring and Pinion Installation Kit, Basic, GM 55P 8.2 in. Drop Out, Rear, Kit

Part Number: MGR-GM8-4IK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Part Number: MGR-GM8-5IK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pinion Bearing, Rear, 1.312 in. i.d., Chevy, GMC, Each

Part Number: TMK-HM88547

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Cross Shaft Pin, Mini Spool, GM, 12-Bolt, Passenger Car, Each

Part Number: RMG-CSPGM12

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Ring and Pinion Installation Kit, GM, 10-Bolt, 8.2 in. Diameter Ring Gear, 25-Spline Pinion, Kit

Part Number: RMG-831022B

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order