This part is an OEM from Briggs and Stratton for use with Lawn Mowers. The governor spring applies tension to the throttle to control engine speed. The most common reason for replacing the throttle rod spring is when the engine doesn't throttle smoothly. This part is sold individually. The tools that you will need to replace the governor spring is a 1/4 inch socket or nut driver, 3/8th-inch socket or nut driver.
This is an original part from Craftsman. The gasket is constructed of plastic, and is compatible with several lawn and garden engines. This item is designed to secure the bowl inside of the float bowl. Please refer to the specific manual and diagrams for repair instructions. The gasket is sold individually. A screwdriver is helpful in making the replacement.