Usually made of cast iron. Oil Control Ring Scrapes excess oil from the cylinder walls. Usually made of cast iron. Connecting Rod Transfers motion from the piston to the crankshaft. Usually made of aluminum alloy.
Power produced by the engine is transmitted via the crankshaft.
Opens the intake port to allow the flow of air-fuel mix into the combustion chamber during the Intake Stroke. Usually larger diameter than exhaust valve. Opens the exhaust port to allow burnt air-fuel mix out of the combustion chamber during the Exhaust Stroke. Driven by the crankshaft, the camshaft turns once for every two crankshaft revolutions. Usually made of cast iron or molded plastic.