When you take on the daunting task of rebuilding your engine you want to do so with toast durable and best performing parts that you can get your hands on. That is why you need to purchase your new parts from Crane. Crane had been manufacturing reliable, quality engine parts since 1953 and every unit that leaves their factory is guaranteed to perform. This is also true of the Crane Cam Followers. These units are responsible for working in the cam to run the valves in your engine. Inside of your cam are lobes, or ovoid-shaped pieces of metal that push against your cam followers. This process causes the lobes to move up and own which in turn opens and closes your valves. When you valves open or close fuel can enter the engine cylinders and exhaust gases can escape the cylinders. Since your Crane Cam Followers are subjected to a lot of abuse, heat, and wear and tear, they must be constructed string and durable. Theses followers are engineered for durability, exact fit, and longevity. Plus, these Crane Cam Followers are available in three types, knife-edge, roller, and flat, so you can choose the followers that meet your specific needs and application. Car hobbyists certainly deserve courteous technical assistance when considering reliable auto parts. That's why we've created a 24/7 customer assistance call bureau to address your requests. Everyone hates paying for shipping, so your parts come with free shipping for every order over $50. If you spot a better price somewhere else, call us - we will meet or beat any price advertised elsewhere.