Billet Specialties small block Ford swivel thermostat housing is precision machined from 6061-T6 billet aluminum and polished to a mirror finish. Features a swivel neck for proper hose angle. The neck is 360-degree brazed to the tower for superior leak free operation. Four Buna N® o-rings ensure a positive seal to the manifold eliminating the need for a gasket or sealant.
Includes stainless mounting hardware.