Ring and Pinion - 4.30 Ratio - 30 Spline Pinion - 8.5 in - GM 10-Bolt - Kit

Upgrade your GM 10-bolt differential with the GM 8.5/8.6 Ring & Pinion 3.08 Ratio by MOTIVE GEAR. Designed for optimal performance, this kit features a 30 spline pinion for durability and precision. Experience smoother acceleration and improved...

Upgrade your GM 10-Bolt differential with the GM 8.5in Front Master Installation Kit from DETROIT LOCKER-TRACTECH. This comprehensive kit includes everything you need for a successful front differential installation, from bearings and seals to shims and...

Differential Installation Kit - Master - Rear - Bearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread Locker - 8.5 in - GM 10-Bolt - Kit

Ring and Pinion - Performance - 3.42 Ratio - 30 Spline Pinion - 8.5 in - GM 10-Bolt - Kit

Ring and Pinion - Performance - 3.73 Ratio - 30 Spline Pinion - 8.5 in - GM 10-Bolt - Kit