Titanium 1/2" birdcage clevis available will fit all Open Wheel Cars bird cages that allow for clevis. The inside span on this clevis is app. 11/16" and it would use 3/8" bolts or clevis pins. The threads on the shank are 1/2"-20, the thread length is app. 1-1/2". The slot that’s in this clevis is .700. It should fit any standard heim that has a 3/8" hole. Sprint and Midget 1/2 Inch stud Titanium Birdcage Clevis