USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.11 Ratio Offset Butterfly making it an ideal upgrade

making it an ideal upgrade for hobbyists

Big guys know the struggle of installing aftermarket seats

nozzles flow at 150 percent over and the injectors have had internal calibration upgrades for added fuel delivery

from intricate small parts to large-scale objects

USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.11 Ratio Offset Butterfly making it an ideal upgradeUSA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in house quality evaluation to ensure products pass dimensional, material, and fitment testing. This Part Fits: Year Make Model Submodel 2001 2004 Chevrolet Silverado 2500 Base 2001 2004 Chevrolet Silverado 2500 LS 2001 2004 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 WT 2001 2005 Chevrolet Silverado 2500 HD Base 2015 Chevrolet