56-57 THERMOSTAT HOUSING / WATER NECK – CAST IRON REPLACEMENT

Description

All 1956 and 1957 aluminum intakes and Fuel Injections used the 3705018 cast iron thermostat housing, which was of short straight design with # 3705018 cast into a side. Aluminum thermostat housing 3837223 was introduced into production in 1957 approximately VIN 5000.