BMW M50/M52/M54 Billet thermostat housing AN20

Aluminum cnc billet milled thermostat housing for BMW M50/52(not TU) engines. Will also fit M52TU/M54 if used without thermostat. Perfect choice for your drift car that has rear mounted radiator. AN20 threaded, NO FITTINGS INCLUDED. Made for standard BMW m50 thermostat.