Mr Gasket 9678 Throttle Return Spring Kit is a performance part designed for carburetor parts. This kit is made in China by Mr Gasket, a brand known for producing high-quality parts for car and truck accessories. The kit is specifically designed for throttle return springs and is suitable for those looking to upgrade their car's performance. The manufacturer part number is 9678, and it is important to ensure that it fits your car before purchasing. This kit is an excellent choice for anyone looking to improve their car's throttle response and overall performance.