U-ring, manifold-44mm Stock CV, 45mm

Stronger than stock precision cast aluminum manifold for use with a stock Keihin CV, Mikuni HSR45 or Screamin' Eagle CV carburetor on Evolution Big Twin 1990-1999 or Twin Cam 1999-2006. Made by S&S.
Note: These manifolds must be installed with special S&S manifold to cylinder head seals, which must be ordered separately.