63421 - Moroso Filler Necks Details
Billet Aluminum
Manifold-mounted filler neck base is an adaptable billet version of the one included in Moroso Kit No. 710-63420 without the filler neck or mounting hardware1 inch NPT machined port is designed to use with popular hose adapter (including -AN) sizesAllows 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 applications6061-T6 billet aluminum base stands 2 and five-sixteenths inch tall, which locates filler neck at highest point to bleed off air on cars with low-mount radiatorsIncludes a one-half inch NPT machined port for installing a water temperature sending unit and two one-quarter inch NPT machined ports to plumb return lines on popular aftermarket cylinder headsThe unit can be flipped 180 degrees 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
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