Proform Piston Dome Thickness Checker
It's never a good idea to modify piston domes or to fly-cut valve pockets without knowing how much material there is to work with. The Proform Piston Dome Thickness Checker is the right tool for the job. This simple tool includes a 0.001" dial indicator and a contact point that permits measurement of the most complex dome shapes. It is a must have, essential tool for every well-equipped machine shop.