MOROSO CHEVY MANIFOLD FILLER NECK KIT - MOR-63420

Locates filler neck at highest point on cars with low-mount radiators to bleed off air. Unit can be flipped 180 for either right or left outlet location. Includes 1/2 NPT fitting for installing water temperature sending unit and two 1/4" NPT fittings for return lines on popular aftermarket cylinder heads. Made of 356-T6 cast aluminum; 3-1/4" high Includes gaskets.