Description
- This tool makes measuring ring end gap faster, more accurate and eliminate the guess work
- Flanged design allows piston ring to fit squarely in cylinder bore every time
- Just install any ring, top, 2nd, or oil control rails on the tool
- Install tool into a cylinder bore and then view the ring end gap in the ?ǣKey Slot?ǥ
- Use a feeler gauge to get your end gap measurement
- Each side of the tool is made for checking a standard size piston rings
- Made in the U.S.A.
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