Moroso 63422 Moroso Filler Neck Manifold Housing -16An Female Port - AluminumMoroso 63422 Moroso Filler Neck Manifold Housing 16An Female Port Aluminum Filler Neck Manifold Housing, Billet Aluminum, 16AN Female Port 16AN female port is designed to be used with Nos. 22622, 63521, 63522, 63523, 63525 Black anodized billet aluminum housing stands 2 5 16" tall, which locates filler neck at highest point to bleed off air on cars with low mount radiators No need to worry about gaskets because on the top and bottom of the housing are