Yukon Gear and Axle YG GM8.5-373 3.73 Ring and Pinion Gear Set for GM 8.5-Inch and 8.625-Inch 10-Bolt

Upgrade the performance and gearing of your GM 10-bolt rear differential with the Yukon Gear and Axle YG GM8.5-373 Ring and Pinion Gear Set. Designed for GM 8.5-inch and 8.625-inch applications, this high-performance gear set features a 3.73:1 ratio for responsive acceleration and balanced drivability in street, performance, and truck applications. The kit includes a 30-spline pinion and is engineered for dependable power transfer when properly installed and set up.
Yukon Gear and Axle is recognized for producing precision drivetrain components built to meet demanding performance requirements. The YG GM8.5-373 gear set is manufactured for accurate fitment with compatible GM 10-bolt differentials and is intended to support consistent operation under a variety of driving conditions. A 3.73 ratio can help improve low-speed response while maintaining practical highway performance, making it a versatile choice for vehicles with modified tire sizes, upgraded engines, or revised drivetrain gearing.
Before installation, verify axle compatibility, spline count, carrier break, housing application, and required installation components. Professional setup is recommended because ring and pinion installation requires precise backlash, bearing preload, gear tooth contact, and torque specifications. This Yukon Gear and Axle kit is air restricted: no and truck freight only: no, providing a practical replacement or upgrade option for compatible GM differential applications.

Features:

• Brand: Yukon Gear and Axle

• Part Number: YG GM8.5-373

• Product Type: High-performance ring and pinion gear set

• Gear Ratio: 3.73:1

• Application: Compatible with GM 10-bolt differentials

• Differential Size: GM 8.5-inch and 8.625-inch applications

• Pinion Spline Count: 30 spline

• Kit Includes: Ring gear and pinion gear

• Shipping Classification: Not air restricted and not truck freight only