Ring & Pinion Gear Kit GM 8.5" Includes:

Name: Ring & Pinion Gear Kit GM 8.5" Includes:
Brand: MOTIVE GEAR
SKU: 683-GM10-373K
Price: 404.96 USD
Availability: InStock

^$404⁹⁶

Ships on Nov 02, 2026

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GM 8.5" 10-Bolt Front/Rear & 8.6" 10-Bolt Rear

Ring & Pinion Gear Kit

GM 8.5"
Includes:

Ring & Pinion Gears

Complete Differential Installation Kit

75W-90 Synthetic Gear Oil

Kit Part Numbers

Ring & Pinion Gears 683-GM10-373
Complete Differential Installation Kit 555-61226
Two 75W-90 Synthetic Gear Oil 555-28050

OEM-Quality Ring and Pinions

Motive Gear Ring & Pinion Gears are the differential's critical point of power transfer and one of the easiest performance modifications to complete on a vehicle. Motive's high-quality Ring & Pinion Gears are made from 8620 steel for superior strength and come in a range of ratios, making them excellent factory replacements for both on-street and off-road vehicles.

Part TypeRing and Pinion

Product LineMotive Gear Ring & Pinion Gears

BrandMOTIVE GEAR

Part CategoryPerformance Parts

Part FitmentSemi Universal

Package Qty1

Package TypeEA

Some parts are not legal for use in California or other states with similar laws / regulations

Ring & Pinion Gear Kit GM 8.5" Includes:

OEM-Quality Ring and Pinions

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords