A huge variety of Ring & Pinion sets are available for you to re-gear your 1982-2000 Chevy/GMC 6.2L/6.5L Diesel. Find a large variety of gear sets for the front and rear differentials. Ratios ranging from 3.31 all the way up to 5.38 are available for most applications. Industry leading manufacturers like USA Standard, Yukon, Nitro, and Dorman are available for your gear and axle parts.