A-B1590615-AI SPACER-CARBURETOROne New Aftermarket Replacement Carburetor Spacer Fits Briggs & Fits Stratton Small Engines This carburetor spacer mounts between the carburetor and the intake manifold on Fits Briggs & Fits Stratton small engines. It optimizes carburetor positioning, improves airflow and fuel mixture efficiency, and helps reduce heat transfer between the engine and the fuel system to prevent vapor lock and support smoother engine operation. Commonly used on walk