NEW Steering Coupler, or Rag Joint. Fits, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, Ford Truck, F150, F250, .... This Is A New Replacement Part. The Posts Are Smaller Than The Ford Original.....Has Rubber Disc And Pinch Bolt........Fits Steering Box With  3/4"- 36 Spline........The Bolts Are 2 1/2" From Center to Center..........The  Posts  Are 2 1/2" from Center To Center....The Outside Diameter Is About 3 1/4".....The One Post Is 3/8" Diameter And The Other One Is 5/16" Diameter....Please Check Out My Other Ford Items For Sale.....