12P GM 4.10 & Up Dura Grip Limited Slip, 30spl, Composite Clutches

Fits 4.10 Gear Ratio & Up Fits 12 P GM with 30 Spline Axles Fully rebuildable design and proudly assembled in the USA Limited Slip Differential with Composite Clutches All units are backed by extensive product testing and state-of-the-art software design