Availability
Differentials, Axles & Rear-End Parts
Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each
Part Number: YGA-32017
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6903781
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885342
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: YGA-24159
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885430
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Axle Shaft, CV-Style, Cadillac, Rear, Steel, Each
Part Number: ADO-25941372
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885488
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC355
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6900331
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36216
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ring and Pinion-GM 8.5/8.625
Part Number: MGR-GM10-308A
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-7900291
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each
Part Number: TMK-M88010
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set.
Part Number: MGR-BP882355
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Bearing Race, Pinion, 3.250 in. Diameter, Each
Part Number: TMK-M802011
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885456
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 3.23:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set
Part Number: YGA-24493
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: RMG-GM85456
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: MGR-GM10-430
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: MGR-GM10-456
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit
Part Number: MRG-9891
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set
Part Number: SVL-2023698
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set
Part Number: YGA-24162
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., BOP Axle, Each
Part Number: YGA-32015
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster