USA Standard Gear Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Master Overhaul Kit. This kit uses premium Koyo/Timken bearings and races along with all high-quality small parts. USA Standard Gear does extensive research for each application to make sure your kit will arrive with all the correct parts you need to properly install your ring and pinion gear set. This kit uses Koyo bearings and races and high-quality small parts. USA Standard Gear does extensive research for each application to make sure your kit arrives with all the correct parts needed to install your ring and pinion gear set. D44HD (ALUM HSG) IN GRAND CHEROKEE, KOYO BRGS