Full 360 Degree Swivel

CSR's swivel filler neck thermostat housing does it all! Allows you to rotate the outlet in any direction, plus you can now fill your cooling system at its highest point, thereby eliminating trapped air in the system. Accepts standard radiator cap (not included) and includes a 1/8'' npt orifice for plumbing an overflow catch can. Anodized billet aluminum housing utilizes an O-ring seal.