Suitable for: Ford 64-68 Mustang, Falcon, Comet 170/200 six-cylinder engine manual &automatic transmission model: 1100 Automatic hot air choke brand new Includes paper gasket Carburetor installation bolt hole diameter: 10.5mm, distance between the two bolt holes of the carburetor is 68mm The initial installation of this carburetor requires the use of carburetor cleaner to spray clean the fuel inlet position to assist in needle valve lubrication The products sold are tested and we guarantee that the carburetor is 100% qualified.