GM 10 Bolt 8.5" Ring & Pinion 3.42 Ratio

Ring & Pinion set for the 10 bolt 8.5" rear & front used in various GM applications from 1971 to current. This rear was used in Buicks, Cadillacs, Chevys, Oldsmobiles, Pontiacs, GMC. This is still used today in the GM trucks and SUV. Customer Service, TOLL FREE at 877-614-GEAR (4327) for any help you may require determining your applications needs.