https://m.ebay.com/itm/SPEED-PRO-PISTON-RINGS-P-N-R-r-5883-35/232391910807?hash=item361ba32597:g:mBIAAOSwyWZZVbJP&_nkw=r5883+speed+pro&_from=R40&rt=nc File fit 5/64" plasma moly rings for a standard bore 455. Ray
