Pinion bearing preload solid spacer and shim kit for big bearing and Daytona style pinion supports includes the spacer ring that is 1.625" o.d. x 1.325" i.d. x .480" thick and an assortment of 5 preload shims. For use with CE-94031, CE-4048C, and CE-4048P pinion supports, as well as factory Daytona pinion supports.