Part Description
Fits Ironhead & Shovelhead, Super E manifold, 1 7/8" (47.5mm) throat size, also fits with stock Bendix or Keihin Butterfly carburetor (OEM 27021-78, S&S 16-1300)
Text excerpt from the catalog:
Rubber band style manifolds for Ironhead Sportster, Shovelhead and Evolution Big Twin engines in combination with Super E or G carburetor.