USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets. Product Features:Fits GM 8.5 and 8.68.50 ring gear diameter30 spline pinion10 ring gear bolts5.38 ratio
