Combustion chamber face of a bare cast iron cylinder head on con…

Close-up of the combustion-chamber face of a bare cast-iron cylinder head resting on a concrete slab outdoors, with a second head visible at the right edge. Two chambers are shown with their valves removed, showing carbon staining, exposed valve seats and the head-bolt and coolant passage holes along the deck.

AI caption August 2006 · Photo 2273 of 5000