Close-up of crankshaft nose with keyway and threaded puller bolt…

Close-up of an engine timing area showing a splined crankshaft or camshaft nose with a keyway, surrounded by a metal pulley/gear hub, and a threaded puller bolt engaged in the center. A toothed timing gear and mounting holes are visible in the background.

AI caption October 2010 · Photo 799 of 805