Glossary “cap” Definition:
1). A cover or lid for a container. 2). That part of the distributor that directs electrical energy to the spark plugs. 3). A small metal part, usually of hardened steel, that acts as an interference between the valve-stem end and the rocker arm. 4). The half round, removable part of a connecting rod or main bearing. 5). Protective head gear, used when working under the hood or under the vehicle.