The product is a set of two Ford OEM rubber transfer case seal gaskets, designed specifically for 1974-1977.5 NP203 transfer cases. These seals are made in the United States and have a seal diameter of 2.5 inches, making them a vintage replacement part for those models. The seals are of lip seal type and come with a California Prop 65 warning for cancer and reproductive harm. They are not universal fitment parts and are designed for performance purposes. Representative item set is shown. New old stock. Original packaging is only shown for reference and is not included. 2.5 inch outside diameter. Made in USA. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.