Yanmar Tractor Adjustable Side Link ADJUSTABLE SIDE LINK 7-1/2 tube Product Note: Adjustable from 13" to 19" (You can technically get 20" but that leaves very little thread engagement) hole to hole. The holes are standard 3/4" at the ball end & 1/2 at the pin end. Shop Tip: Most people use a fixed side link on one side and an adjustable