V8 cylinder head with valve cover off showing rocker arms, valve…

Teardown shot of a V8 cylinder head with the valve cover removed, exposing eight rocker arms on pedestals, valve springs, and the exposed head bolts. Above sit the fuel rail with injectors still installed, and four spark plugs protrude from the head's side with loose bolts lying on the intake.

AI caption November 2009 · Photo 2947 of 3174