S&S Manifold for 99 / 05 Twin Cam Engines 107" w/ Super G -For Super G carburetor. -Fits stock S&S heads. -Fits stock or engines with taller cylinder. -Cylinder Length: 4.975". -Manifold size: 414. -Sold each. These manifolds have provisions for mounting the stock MAP sensor directly to the manifold, and are primarily designed for Harley Davidson TC88 engines. These manifolds may also be used on engines for 84/99 Big Twins which require a MAP sensor, such as S&S engines equipped with the S&S intelligent Spark Technology (IST) Ignition.