Proform 66516 - Proform Rear End Pinion Set Up Tool

Quit Your Whining!
The universal pinion depth setting tool is used to measure the pinion depth of most automotive and truck differentials. To get the measurements, attach the pinion depth setting tool to the machined surface in the housing and check the distance to the pinion gear. Three dial indicator extensions (2''-4'') are included for a variety of rear end types. Complete with easy-to-read instructions.