Motive Gear G875390 GM 7.5-Inch Ring and Pinion, 3.90 Ratio

The Motive Gear G875390 ring and pinion kit is designed for GM 10-bolt applications using 7.5-inch or 7.625-inch differentials. With a 3.90 gear ratio, this performance-oriented set is suited to drivetrain builds requiring a specific final-drive configuration.

This kit features a 27-spline pinion and is identified for 3 Series applications. The ring and pinion configuration provides a matched gear-set solution for compatible GM rear differential assemblies, supporting replacement or performance-focused drivetrain work.

Verify differential size, series requirements, pinion spline count, and application details before installation to ensure this Motive Gear set matches the intended vehicle and axle configuration. The product is supplied as a ring and pinion kit.

Features:

• Brand: Motive Gear
• Part Number: G875390
• Application: GM 10-bolt differential
• Differential Size: 7.5-inch and 7.625-inch
• Gear Ratio: 3.90
• Pinion Spline Count: 27 spline
• Series: 3 Series
• Product Type: Performance ring and pinion kit