Availability
Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit
Part Number: RMG-831019B
Estimated Ship Date: Today
Estimated Ship Date: Today
Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: RMG-81-1030-1
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: RMG-81-1028-1
Estimated Ship Date: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races
Part Number: RMG-29-0013-1
Estimated Ship Date: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Ring and Pinion Installation Kit, 8.2 in. GM, 10-Bolt, Kit
Part Number: RMG-83-1052-B
Not Yet Reviewed
Estimated Ship Date: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Pinion Spacer, SPACER, SOLID GM 12 BOLT SHORT
Part Number: RMG-04-0012-2M
Not Yet Reviewed
Estimated Ship Date: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Gear, Ring and Pinion, 5.14:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6900341
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Gear, Ring and Pinion, 3.70:1 Ratio, 1955-64 GM, 8.2 in., 3 Series, Set
Part Number: RMG-4900991
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
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Estimated Ship Date: Today
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
Estimated Ship Date: Nov 10, 2025 if ordered today
Cross Shaft, Differential, Steel, GM, 10-Bolt, 8.5 in., Each
Part Number: RMG-8002721
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Ring and Pinion Installation Kit, GM, 10-Bolt, 8.2 in. Diameter Ring Gear, 25-Spline Pinion, Kit
Part Number: RMG-831022B
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
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
Estimated Ship Date: Nov 10, 2025 if ordered today
Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6900351
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Gear, Ring and Pinion, 5.57:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-7900311
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Spool, Full Size, Steel, 35-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: RMG-81-1235-1
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Cross Shaft, Differential, Steel, GM, 12-Bolt, 8.875 in. Each
Part Number: RMG-8002691
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Gear, Ring and Pinion, 5.86:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6900371
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
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