Locates filler neck at highest point on carsMade of 356-T6 cast aluminum3-1/4" highIncludes 1/2" NPT (National Pipe Thread) fitting for temperature sending unitIncludes gaskets, bolts and washersLocating the filler neck at the highest point on cars with low-mount radiators is just what the Moroso manifold filler neck kit does. This filler neck aids in bleeding off air in your cooling system. Unit can be flipped 180 degrees for either right or left outlet locations. Includes gaskets, bolts and washers, and standard size radiator cap filler neck.