USA Standard Ring & Pinion for GM 8.5" w/4.30 Ratio

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.

Fits GM 8.5" and 8.6"
8.50" ring gear diameter
30 spline pinion
10 ring gear bolts
4.30 ratio