Ring & Pinion Set For GM & Chrysler 11.5 Inch Rear In A 3.42 Ratio USA Standard GearUSA Standard Ring and Pinion gear set for GM 11. 5 inch in a 3. 42 ratio. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring and pinion sets Features and Benefits: All USA Standard Gear ring and pinion sets come