Manifold-mounted filler neck base is identical to the one included in Moroso Kit No. 63420 without the filler neck or mounting hardwareAllows you to install a variety of bolt-on style filler necks (radiator cap or AN style) or block-off plates, offering cooling system flexibility for both race and street applications356-T6 cast aluminum base stands 2-5/16" tall, which locates filler neck at highest point to bleed off air on cars with low-mount radiatorsIncludes a 1/2" NPT machined port for installing a water temperature sending unit, and two 1/4" NPT machined ports to plumb return lines on popular aftermarket cylinder headsThe unit can be flipped 180° for either right or left water hose outlet locationUse with one of Moroso's Bolt-On Filler Necks Nos. 710-63460/63461/63465/63466, or Block-Off Plate No. 710-63471
Moroso offers a variety of filler necks to fit most every application.