GM 8.5" 8.6" 10 Bolt 30 Spline Clutch Plate Type LSD Limited Slip Differential We made our own upgraded

We made our own upgraded versions

using an O-ring to prevent leakage

This cooler air charge provides additional power and torque

*Will not work on engines w/reverse flow heads as utilized on 1992-96 LT-1 Corvette

Speedmaster pinion depth shims allow you to seat your pinion gear perfectly

GM 8.5" 8.6" 10 Bolt 30 Spline Clutch Plate Type LSD Limited Slip Differential We made our own upgradedThe GM 8. 5" 10 Bolt axle, also known as the GM 8. 6" axle or GM 10 Bolt, is available in many front and rear axle applications including both solid axle and IFS IRS configurations. While the GM 8. 5" axle features an 8. 5" diameter ring gear and the GM 8. 6" axle uses a slightly larger 8. 6" diameter ring gear, almost everything within the axles is completely interchangeable.