Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Specifications:

• Application Model: GM 8.5, GM 8.625
• Cover Bolt Quantity: 10
• Differential Carrier Break: 2.76 Ratio and Higher
• Differential Case Design Type: GM 8.5, GM 8.625
• Gear Ratio: 3.90
• Pinion Gear Tooth Quantity: 10
• Pinion Shaft Diameter: 1.626 inch
• Pinion Spline Count: 30
• Ring Gear Bolt Quantity: 10
• Ring Gear Material: 8620 Steel
• Ring Gear Outside Diameter: 8.5 inch
• Ring Gear Rotation: Standard
• Ring Gear Tooth Quantity: 39
• Taxonomy A: LD Differential
• Taxonomy B: Ring and Pinion
• Taxonomy C: Front, Rear
• Taxonomy D: 3.90