Piston Ring Squaring Tool I made a quick and accurate piston ring aligner for checking end gaps out of a .030 over, 454 Chevy flat top piston. Just chuck the piston in a lathe and turn the ring lands down to a little under 4.000 ̋. (Mine is 3.995 ̋.) The bottom of the...
![Piston Ring Squaring Tool](https://enginepro.com/wp-content/uploads/2019/06/201507_piston.jpg)