Close-up of bare cast-iron cylinder head showing pushrod holes a…

Extreme close-up of the underside/valve area of a bare cast-iron cylinder head, showing pushrod and oil drain-back holes, rocker-stud bosses, a raised foundry casting mark and rough as-cast texture. The casting is dry and lightly rusted with no valvetrain installed.

AI caption November 2010 · Photo 0 of 5000