These fittings fit most GM units. They fit some Fords but not all. Some Fords have LEFT HAND threads. This replaces the tube on the low pressure spittier port. It allows you to use braided hoses on this port also. They can also solve some clearance problems. These fittings are steel with an attractive zink plating. Country of Origin United States Brand WFLNHB Manufacturer Part Number 816-06-5/16-24 P .
