GM 8.25in. IFS 3.73 O.E.M. Ratio For Use Will All Ratio Carriers;10 Year Warranty;Computer Heat Treated 8620 Steel;Manufactured To O.E. Specifications;Double Shot Peened;Double Lapped G2 Axle and Gear G2 GM 8.25 Inch IFS 3.73 O.E.M. Ratio Ring and Pinion - 1-2095-373 1-2095-373 Ring and Pinions