Close-up of two wedge combustion chambers with new valves on a b…

Close-up of two wedge combustion chambers on a bare cast-iron cylinder head, with freshly machined intake and exhaust valves seated and a small spark plug hole between them in each chamber. The machined deck face, head bolt holes and the exhaust port flange with a threaded stud are visible, and the head rests on cardboard.

AI caption February 2004 · Photo 12 of 159