You are buying one very RARE Real Deal OEM 1965 1966 1967 1968 1969 1970 1971 1972 Corvette Chevelle SS El Camino SS  GMC Sprint Impala SS Camaro Z28 RS SS Chevy !! Nova SS  COPO Pontiac GTO Firebird Trans Am Formula 400 455 Buick GS GSX Oldsmobile 442 F-85 RARE Or4iginal Very Nice Duce Yanko Baldwin Motion May Also Be Correct For the Mustang GT Mach 1 Cobra Shelby RARE Muncie M21 M22 GM Original Magnetic Stamped P Plug With a Strong Magnet For The Muncie 4 speed Transmission M21 M22 And The Ford Top Loader 4 Speed transmission see photos no returns. Also May Work On The on the 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 Ford Nash Oldsmobile Plymouth Studebaker Willys LaSalle Hudson dodge Desoto Cadillac Chrysler Buick Chevrolet Pontiac cars. I am not sure on all the year of usage or the cars line usage this plug is the oil fill plug and the oil drain plug . This Plug Came Out Of A 1967 Chevelle SS 396 375hp L78 Muncie M22 transmission this is the real deal. Please know what you are buying. The shipping cost include some of the ebay fees,pay pal and handling costs .After you receive this part and if there is a problem please contact me so we can resolve the problem before you leave me a negative feedback. Thank You.