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 passenger car
• 8.875" ring gear diameter
• 30 spline pinion
• 12 ring gear bolts
• 4.11 ratio
• Thick gear for 3.90 and down carrier