Ring and Pinion Installation Kit, GM 8.875 in., Truck 12-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310181

3.64 out of 5 stars ( 14 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Installation Kit, Master Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit

Part Number: MGR-R12RMKT

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12RSKT

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Installation Kit, GM, 8.875 in., Truck, 12-Bolt, Kit

Part Number: RAT-316K

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

DVD, Ring and Pinion Installation, Each

Part Number: RMG-VIDEO-CD

3.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Master Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit

Part Number: MGR-R12RMK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pinion Depth Setting Tool, GM, 12-bolt Truck, Each

Part Number: RAT-10010

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, GM, 8.875 in., Truck, 12-Bolt, Kit

Part Number: RAT-3005K

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Installation Kit, Ring and Pinion, Basic, GM, 8.875 in., Kit

Part Number: SUM-G7922K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Pinion Nut, Steel, GM, 8.875 in., Corvette, Each

Part Number: MGR-3752901

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

Marking Compound, Ring and Pinion, Beige, Each

Part Number: SUM-730001

4.77 out of 5 stars ( 13 )

Cannot be shipped Internationally

• Restricted
• Ground

Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each

Part Number: MGR-RGBT-003

Not Yet Reviewed

Estimated Ship Date: Today

Differential Cover Gasket, Paper, GM 8.875 in., Each

Part Number: MGR-5105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Crush Sleeve, Steel, GM 8.875 in. (12-bolt), Truck, Each

Part Number: MGR-3954482

Not Yet Reviewed

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12RSK

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12R

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 9, 2026 if ordered today

• Drop Ship
• Special Order

Ring and Pinion Installation Kit, GM, 8.875 in., Passenger Car, Kit

Part Number: MGR-GM12IK

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

• Drop Ship
• Special Order

Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12RT

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

• Drop Ship
• Special Order

Carrier and Pinion Bearings, GM, Truck, 12-Bolt, 8.875 in., Kit

Part Number: RAT-209B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2026 if ordered today

• Special Order

Ring and Pinion Installation Kit, GM, 8.875 in., Truck, 12-Bolt Kit

Part Number: RAT-416K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 22, 2026 if ordered today

• Special Order

Pinion Seal, Steel with Rubber Inner, GM 12-Bolt, Each

Part Number: MGR-8460N

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, GM, 8.875 in. Diameter Ring Gear, Truck, 12-Bolt, Kit

Part Number: RAT-116K

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 22, 2026 if ordered today

• Special Order