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 8.6"
• 8.50" ring gear diameter
• 30 spline pinion
• 10 ring gear bolts
• 4.30 ratio