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Your cart is empty.Set piston ring end gaps accurately, consistently and with repeatable results by using this Checkered Flag Performance universal ring squaring tool. Places rings 1” below the deck to get past head bolt distortion. Simple to use with or without head studs in place. Fully adjustable: Change squaring tool bore sizes quickly from 2″ - 5″ without any other tools. Made of anodized aluminum and stainless steel hardware, this tool is designed to withstand a lifetime of use in any professional or home shop environment. Lifetime warranty. To use: Loosen thumbscrews slightly and insert the three round pegs into cylinder bore until the bottom body of the tool rests flat against the cylinder deck. Slide pegs outward to gently meet the inside of the cylinder bore walls, and tighten thumbscrews. Remove tool and insert piston ring into cylinder bore. Use ring squaring tool to push ring down evenly until body of tool is flat against cylinder deck. Easy!
Kevin R.
Reviewed in the United States on February 18, 2025
Works great!
J&J
Reviewed in the United States on October 16, 2023
I usually use the piston and flip it over to set the rings in the bore to check gap. This tool makes it a little more convent when you have dome top pistons.
K.W.
Reviewed in the United States on June 25, 2021
Nice, quality product made here in the USA. Works with rings for a 4.50" bore BBC without any problems.
Auric
Reviewed in the United States on May 5, 2021
Awesome tool to have
MK Rowe
Reviewed in the United States on May 21, 2021
Works very well and adjusts to many bore sizes. Good quality construction.
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