RICHMOND 12BC355 Excel Ring and Pinion Gear Set for GM 12-Bolt, 3.55 Ratio

The RICHMOND 12BC355 Excel ring and pinion gear set is designed for GM 12-bolt differentials with an 8.875-inch ring gear. This kit features a 3.55:1 gear ratio and a 30-spline pinion, providing a direct solution for applications requiring these drivetrain specifications.

Built around a 3 Series configuration, the set includes the ring and pinion components needed for the stated GM 12-bolt application. The 3.55 ratio supports a balanced combination of drivability and gearing for vehicles equipped with a compatible differential assembly.

Verify differential type, ring gear size, pinion spline count, and series requirements before ordering to ensure proper application. The RICHMOND 12BC355 combines clearly defined fitment specifications with the established Excel ring and pinion gear set design.

Features:

• Brand: RICHMOND
• Part Number: 12BC355
• Product Type: Ring and pinion gear set
• Application: GM 12-bolt differential
• Ring Gear Size: 8.875 inches
• Gear Ratio: 3.55:1
• Pinion Spline Count: 30
• Series: 3 Series
• Configuration: Kit