Moroso 63423 Filler Neck Housing

Moroso Filler Neck Housing -MOR63423

Manifold-mounted filler neck base is identical to the one included in Moroso Kit No. 63420 without the filler neck or mounting hardware
Allows 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 applications
356-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 radiators
Includes 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 heads
The unit can be flipped 180 degree for either right or left water hose outlet location