The T&D pinion depth checker allows you to precisely set pinion depth on most popular rears including,10 & 12-bolt GM, Dana 60, 8.8" and 9" Fords (O.E. type cases) and 8-3/4" Mopar units. Instructions for this kit can be found on Service Bulletin #0076.

MW's thirdmember setup DVD (P/N 10098) includes how to use this tool in assembling a stock or other 9" case.