Piston Installation Tool; 4 5/16 in. Bore; Blue Anodized Aluminum;
- Designed for fast, easy installation of pistons in most popular bore diameters
- Tapered inner diameter of tool compresses piston rings to proper bore size, completley eliminating chances of unseen ring breakage
- Made from aluminum with a hard-coat anodized finish for long wear
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.