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The camshaft makes up an integral part of a vehicle. Three main parts make up a camshaft: the main journals, the lobes and the ends. Cam bearings are another important part of a camshaft. A valuable part of the engine, a camshaft helps the engine rotate. Modifying the camshaft can improve gas mileage, efficiency and overall performance while helping the vehicle to produce more peak torque and horsepower.
Main Journals
The power created by the camshaft comes from constant rotation. The main journals keep the camshaft in place as it spins around in the engine bay.
Lobes
While the camshaft spins, the lobes work in time with the motion of the piston. They open and close the intake and exhaust valves, and the pace in which they open and close the valves reflects on the vehicles engine performance. The cam lobes change speeds when an engine changes speeds.
Ends
The front end of the cam secures the vehicles timing belt and keeps it in time with the crankshaft.The rear end of the cam turns the distributor of the engine with a special gear. This part keeps the ignition timing in tune with the rest of the engine.
Bearings
Cam bearings are added parts used in conjunction with the main journals. The bearings help prevent the camshaft from damaging the engine block in the case of a malfunction in the engine. The bearings keep the camshaft in seamless rotation.
