This gasket is made of high-quality nitrile rubber or similar fuel-resistant elastomer. It is a critical part of a carburetor rebuild and should be replaced if you notice fuel weeping from the bottom of the carburetor or if the engine is “hunting” or surging due to an air leak. Part Number: 796610 Dimensions: Approximately 45.5mm (1.8″) diameter and 3.5mm (1/8″) thick. Engine Compatibility: Fits a wide range of Briggs & Stratton engines, including the 550 Series (158cc), Professional Series (8.50 & 8.75 gross torque), and engine series 111000, 11P000, 120000, and 121000. Function: Seals the fuel bowl to the carburetor…