Dear Steve;

Paint "codes" are for Automotive finish products, not engine paints.

Any gray spray can will do. There is a GM spray can (& # AKA GM blue) for the 54-62 engines which can be purchased at any Kragen Auto Parts & some 'mail order' Chevy vendors.

Good luck, John M.....


John M., I.I. #3370

"There are no shortcuts to any place worth going". -Anon