A camshaft uses egg-shaped “cams” to open and close engine valves (one cam per valve), while a crankshaft converts “cranks” (the up/down motion of the pistons) to rotational motion. Located in the ...

A straight-twin engine, also called an inline-twin or parallel-twin, is a two-cylinder setup where both cylinders sit side by side, upright, and share a single crankshaft. It's the simplest way to ...

You might be wary of hanging a heavy hunk of metal on the front of your crankshaft, but a quality racing harmonic damper will actually produce horsepower and help your engine live longer. I have been ...