; 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; Has to be mounted with conventional gaskets or Moroso No. 63469 Filler Neck O-Ring Gasket; Includes a 1/2 NPT port for installing a water temperature sending unit and two 1/4 NPT ports to plumb return lines on popular aftermarket cylinder heads; 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. 63460, 63461, 63465, 63466, or Block-Off Plate No. 63471
- 1 NPT port used with PN: 63541/63542/63543/63544
- Black anodized billet aluminum housing stands 2-5/16 tall
- 1/2 NPT port to install a water temp sending unit & two 1/4 NPT ports to plumb return lines
- Can be flipped 180°.
