This kit replaces the troublesome rubber compliance fittings with a rigid mount, aluminum intake manifold.
Kit includes aluminum manifold, mounting flanges, seals and spacers.
Available with flange mount for Evolution Big Twin models and Evolution Sportster models, or spigot mount for late Evolution Big Twin models. Kits include mounting hardware and instructions. For Evolution Sportster models from 1986 to present and Evolution Big Twins from 1990 to present. Available for O-ring or rubberband heads with stock length cylinders. Available for O-ring or rubberband heads and stock length cylinders.