Cylinder head deck with head gasket, carbon-caked combustion cha…

Overhead close-up of a bare aluminum cylinder head deck surface with the head gasket still in place, showing one combustion chamber caked in heavy gray carbon deposits and rust-colored staining. Valve seats, threaded bolt holes and an orange-sleeved coolant passage are visible around the chamber, with the block sitting outdoors on rusted metal.

AI caption December 2006 · Photo 51 of 52