A-B1799507-AI SPRING-GOVERNOROne New Aftermarket Replacement Governor Spring Fits Briggs & Fits Stratton Small Engines This governor spring is a direct aftermarket replacement Fits Briggs and Stratton (B&S) small engines equipped with a mechanical governor system. The governor spring works in conjunction with the governor assembly to regulate engine speed, holding the throttle at the correct position as engine load changes. A worn, stretched, or broken governor spring can cause