1" NPT port is designed to be used with Nos. 63541, 63542, 63543, and 63544
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
Install with conventional gaskets or Moroso No. 63469 Filler Neck O-Ring Gasket
Includes a 1/2" N.P.T. port for installing a water temperature sending unit and two 1/4" N.P.T. ports
The unit can be flipped 180° for either right or left water hose outlet location
Use with one of Moroso's Bolt-On Filler Necks Nos. 63461, 63465, 63466, or Block-Off Plate No. 63471