A carburetor is a mechanical device used to mix a certain proportion of gasoline and air and high quality. Installation hole distance: 31mm / 1.22 inches (approximately) Suitable for: lawn mower 52cc 49cc 43cc Increase horsepower and Material:metal colour:Silver Package Contents: 1 x Carburetor 1 x Gasket 2 x Oil Bubbles Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.