A cam follower is a general name for the component which transfers motion from the cam lobe to the valve stem. If the camshaft is position directly above the valve stems, the cam follower will probably be a bucket tappet, which provides a working surface for the cam lobe to act on, but does not alter the motion. If the cam is located to one side of the valves, the cam follower may be a rocking lever called a finger follower.
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Inspiration: Jaguar XK120
The XK120 launched Jaguar into the spotlight in 1948, and forged the company's early reputation for pace at a good price.