GM85308 Richmond Gear Differential Ring and Pinion GM 10 Bolt Axle

Upgrade your vehicle’s performance with the GM85308 Richmond Gear Differential Ring and Pinion for GM 10 Bolt Axles. Richmond is renowned for manufacturing professional quality, high-performance ring and pinion sets for over 80 years.

• Superior quality gears for racing industry
• Continuous research and development for outstanding design
• State-of-the-art manufacturing for reliability
• Extensively tested for performance
• Engineered for speed and reliability
• Used by winners at Daytona 500 and US nationals

With a limited 1-year warranty, this differential ring and pinion set is designed for GM 8.5-inch axles with a ratio of 3.08. It features 10 cover bolts, 13 pinion gear teeth, and a 1.626-inch pinion shaft diameter.

Other specifications include:

• Pinion Spline Count: 30
• Ring Gear Bolts: 10
• Ring Gear Diameter: 8-1/2 inches
• Ring Gear Rotation: Standard
• Ring Gear Teeth: 40
• Material: Steel
• Carrier Compatibility: 2.73 and numerically higher