Bare aluminum cylinder head deck face with four carbon-stained c…

Deck face of a bare aluminum cylinder head laid on cardboard, showing four combustion chambers with carbon-blackened intake and exhaust valve faces and sooty chamber walls. Head bolt holes, coolant passages and the intake rail flange are visible, and a shipping label reading 'FRAGILE' sits under the head.

AI caption March 2006 · Photo 98 of 159