【Package】The return spring kit includes 4 replacement engine governor springs as shown in the picture. Dimensions - 67x6mm, 44x3mm 【Easy to Install】The replacement spring has excellent quality and fine workmanship, very easy to use and install. Replace the old springs with these and save time and money. 【WIDE APPLICATION】The governor spring is a non-genuine part suitable for most engines. It is suitable for many lawn mowers and gasoline engines. New springs can fix your engine noise. 【High Quality】The adjustment spring is made of high quality durable metal, not easy to rust, strong, corrosion resistant, anti-oxidation, long service life. 【Satisfactory Service】If you have any questions about the extension spring, please feel free to contact us. We will provide you with satisfactory service.