A-B1597280-AI COVER-ROCKEROne New Aftermarket Replacement Rocker Cover Fits Briggs and Stratton (Fits Briggs & Fits Stratton) Small Engines This aftermarket replacement rocker cover fits select Fits Briggs and Stratton small gasoline engines. The rocker cover mounts over the rocker arms and valve train at the top of the engine, sealing the valve compartment to maintain proper oil circulation, prevent contamination from entering the engine, and reduce noise and vibration during