Ford Racing thermostat housings help with engine cooling. These die-cast aluminum 90 degree housings are made in the USA to fit 302/351W engines. They were used in Fox body Mustangs from 1979 to 1995. When pitting and corrosion keep your stock piece from sealing properly, Ford Racing has perfect fitting thermostat housings to take their place. Who better to service your Mustang than the maker--Ford Racing?