Moroso 63486 Weld-On, Billet Aluminum Fill Neck -MOR63486Made from 6061-T6 billet aluminumThis weld-on version can be used wherever a heavy-duty, custom application filler neck is requiredIncludes screw-in 1/8" NPT hose fitting for expansion tanks, and...

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...