A-B1398185-AI KIT-IDLE SPEEDOne New Aftermarket Replacement Idle Speed Kit Fits Briggs & Fits Stratton Small Engines This carburetor idle speed kit is an aftermarket replacement Fits Briggs & Fits Stratton (B&S) small engines used in lawn and garden equipment. The kit includes the components needed to set and maintain proper carburetor idle speed, enabling reliable engine starting, smooth idling, and reduced wear on engine internals. It mounts at the carburetor and is used