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Branch Evolution Flange Manifold For HS Mikuni (1 5/8"/40mm Bore)
This manifold was originally used for converting a stock CV intake to an HS Mikuni system. A flange-to-spigot rubber boot adapter was used in conjunction with this manifold in making the connection.
That being said, the flange bolt hole pattern on this manifold is the same as the butterfly Keihins and Bendix/Zenith carburetors. The flange bolt hole pattern is also the same as the S&S Super E, however, the bore on this manifold is 1 5/8" where the Super E requires 1 7/8". Therefore, this manifold should not be used for mounting the Super E unless the bore on this manifold is honed to the correct size. Otherwise, the Super E would be "choked down", in terms of air flow.
051420 CR-4 (20 04 30, 4-8)