-16AN female port is designed to be used with Nos. 22622, 63521, 63522, 63523, 63525
Black anodized billet aluminum housing with the included bolt- on billet aluminum radiator neck stands 3-1/4" tall, which locates filler neck at highest point to bleed off air on cars with low-mount radiators
The unit can be flipped 180° for either right or left water hose outlet location
No need to worry about gaskets because on the top and bottom of the housing are machined O-ring grooves with included O-rings
Includes a 1/2" N.P.T. port for installing a water temperature sending unit and two 1/4" N.P.T. ports