The BRIGGS & STRATTON 594206 Engine Intake Manifold helps deliver the proper air and fuel mixture to compatible engines for dependable engine performance. It works by directing the air-fuel mixture from the carburetor into the engine cylinders, supporting efficient combustion and smooth operation. Made to replace a cracked or damaged intake manifold, it helps restore engine efficiency... https://www.wholetoolbox.com/briggs-stratton-594206-engine-intake-manifold/594206.html