7344-6 O-ring manifold nipple conversion kit

If you are looking to improve the intake seal on your classic 74-inch Knucklehead or Panhead without replacing the entire manifold, this Colony nipple conversion kit is the answer. It is designed to upgrade the 1940 to 1954 plumber-style intake to the more dependable 1955 to 1965 O-ring system. The kit includes two steel threaded screw-in conversion nipples and the necessary O-rings to get the job done. This is a vital upgrade for 1940 to 1947 Knuckleheads and 1948 to 1954 Panheads, helping to eliminate the vacuum leaks that often plague the original plumber-style connections. It is a simple, effective way to keep your vintage iron running smoothly and is sold as a kit.