top of the cylinder head . Some engines use one camshaft each for the intake and exhaust valves; such an arrangement is known as a double or dual overhead cam (DOHC), thus, a V engine may have 4 camshafts. Enough mumbo-jumbo here. Some pictures please…&hellip Crankshaft, pistons, and flywheel Source: http://en.wikipedia.org/wiki/Crankshaft