The kit includes a drop-in USA made hardened PR valve featuring longer lands which restores the hydraulic integrity of the circuit by utilizing previously unused and therefore unworn areas of their bore. Similarly, the new drop-in lube regulator pressure valve system comprising of a bushing, valve, spring and sleeve will restore the system function using the existing worn bore. Additionally, the kit includes three new overlap valve bushings as well as a replacement springs for the two springs that often break in the valve body.