Rusty cast iron intake manifold with a red circle marking a smal…

Detail of a rusty cast-iron intake manifold removed from a vehicle, laid on the ground with a red hand-drawn circle highlighting a small metal bracket or heat-riser flap mechanism near the runner. The casting shows raised numbers and open runner ports, and a yellow camera date stamp reads 2012/03/28.

AI caption March 2012 · Photo 1 of 55