Billet big block fe 1966 and later (352,390,406,427,428) 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 nr o-rings ensure a positive seal to the manifold eliminating the need for a gasket or sealant. Includes stainless mounting hardware.
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