Rebuilt four-cylinder cylinder head with new brass valve guides…

Top view of a bare four-cylinder cast-iron cylinder head sitting upside down on a bench, freshly machined with new brass valve guides, hardened valve seat inserts and rocker studs installed. Casting number 18 is visible at the right end and spark plug tubes and head-bolt holes run along the deck.

AI caption October 2008 · Photo 21 of 26