Webapr 19, 2012 · achieve maximum benefit from your piston rings with the proper end gap.
Quickly and accurately file rings for the perfect fit.
Webharbor freight buys their top quality tools from the same factories that supply our competitors.
We cut out the middleman and pass the savings to you!
Webthis piston ring compressor is 4 in.
Two spring steel bands provide evenly distributed pressure across all piston rings.