EXCEL from Richmond Ring & Pinion Gear Set 3.73 Ratio — Fits GM 8.5/8.6 inch 10-Bolt

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Optimize Your Acceleration

Unlock your vehicle's true potential with the EXCEL from Richmond 3.73 ratio ring and pinion gear set. Specifically designed for the GM 8.5/8.6-inch 10-bolt rear end, this gear set is the perfect balance for drivers looking to improve off-the-line acceleration while maintaining streetability. These gears are precision-cut from high-grade steel to ensure maximum strength and longevity under load.

Key Features and Fitment

• Ratio: 3.73
• Pinion Spline: 30
• Compatible with 3 Series Carriers
• Fits GM 8.5" and 8.6" 10-Bolt Differentials
• Precision heat-treated for wear resistance

The 3.73 gear ratio is widely considered the "sweet spot" for many muscle cars and trucks, providing a noticeable boost in torque delivery. Whether you are upgrading from factory gears or replacing worn-out components, this set provides the quiet, smooth operation you expect from Richmond-engineered products. The 30-spline pinion ensures compatibility with standard axle setups, making this an ideal choice for a variety of GM applications. Each kit is inspected to guarantee that tooth contact patterns are optimized for long-term reliability. Trust in the quality of EXCEL components to keep your drivetrain running strong. Find the best performance parts for your build at GGCRACING.