Adjustable No-Scratch Piston Ring Squaring Tool for 2 - 5 in Cylinder End Gap

If you're gapping your rings, this tool will make the job much easier! Wise Oak Design Piston Ring Squaring Tool. To use the tool, first loosen each of the 3 thumbscrews. Insert each of the 3 pegs into the cylinder until the body of the tool rests flat on the top of the engine block, centered in the cylinder.

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