Ring and Pinion Installation Kit, GM, 8.5 in., 8.6 in., 10-Bolt, Spline Pinion, Kit

Part Number: RMG-8310211

4.21 out of 5 stars ( 42 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741001

4.19 out of 5 stars ( 37 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741004

4.31 out of 5 stars ( 13 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741003

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear Oil, 80W90 GL-5, Petroleum Base, 1 Quart, Each

Part Number: AUB-504107

4.75 out of 5 stars ( 8 )

Cannot be shipped Internationally if shipped by air

• Restricted

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741005

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear Lube, Limited Slip Oil Additive, 6 oz., Each

Part Number: AUB-504102

5.0 out of 5 stars ( 20 )

Cannot be shipped Internationally if shipped by air

• Restricted