This rod spring is an original part that is designed for use with Subaru / Robin engines commonly installed on a variety of lawn and garden equipment. The spring applies tension on the governor rod allowing it to retract. Over time it may wear out and lose tension eventually requiring a replacement. It is made of high-quality metal and is...Read more sold as an individual component. Check the diagrams for your model for the exact location and the correct installation of this rod spring. It is a simple repair that should only require pliers to remove the old part and attach the new one.