This genuine item is supplied directly from the original equipment manufacturer for use with Walbro carburetors commonly installed on lawn and garden equipment. It is a special spring that applies tension on the metering lever, please make sure to check the appropriate diagrams of your specific model for the correct location and applicati...Read moreon of this hardware. This part provides an identical replacement for a damaged or a missing component that was installed on a new unit. Keep in mind this high-quality spring is made of durable metal and is sold individually.