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 12 bolt truck8.875 ring gear diameter30 spline pinion12 ring gear bolts4.11 ratio
