A-B1597439-AI SPRING-GOVERNOROne New Aftermarket Replacement Governor Spring Fits Briggs and Stratton (B&S) Small Engines This governor spring is a critical component of the mechanical governor system on Fits Briggs and Stratton small engines. It holds the throttle at the optimal maximum speed after the governor adjusts the throttle in response to changing engine load, helping maintain consistent RPM, prevent over revving, and ensure reliable performance under varying operating