Buyers Products TGC25006VSPK Tailgate Cylinder Kit (Cylinder,Pneu,Tailgate Kit) Stroke: 6 Bore is 2.5 13.25" Retracted; 19.25" Extended Rod diameter: 3/4" Includes (2) 1/2" clevis pins, (1) 5/8"-18 threaded adjustable yoke, (2) cotter pins, (7) 1/4" male push on fittings, 75' x 1/4" nylon tubing, and (1) bav020 valve