Well suited for standard to demanding high performance applications. These very well developed carburetors are depndable; easy to install; tune and give the best leg room. Designed to give you years of hassle free riding fun due to the unmatched simplicity and great fit. Each carb kit includes a S&S carburetor; teardrop air cleaner assembly; manifold; mounting hardware; fuel line and clamps; an extra intermediate jet; two main jets; and a complete installation and tuning booklet. The S&S Super G carb has a 2-1/16" throat and is recommended to be used on larger displacement engines. Primarily those engines where performance modifications such as stroker flywheels; big bore cylinders; headporting etc. have been done or are going to be done and where maximum top-end power is required. Will not increase low-end ridability or torque on; especially; smaller engines.