Rusty camshaft timing sprocket with center bolt and timing marks…

Head-on close-up of a rusty toothed camshaft timing sprocket with its center bolt, retaining bolts and slotted timing-mark hole, photographed in a dark engine bay with the timing cover removed. The toothed belt runs around the outer teeth at the top of the pulley.

AI caption September 2006 · Photo 138 of 536