Offered is an incomplete king pin set from Thompson, 449AX. This has been cross referenced to a McQuay Norris KA97 with many listings in the 1930's thru 1950's for Aerocoach, Available, Brockway, Corbitt, Dart, Divco, Federal, GMC, Mack, Reo, Studebaker, Flexible, Chevy and White truck models. Pin measures 6-3/4" X 1-1/8". Please contact me for any specific application. Set comes as shown.