Buyers Products TGC25008V Tailgate Cylinder (Cylinder,Pneu Tgt,2-1/2 X 8In) Stroke: 8 Bore is 2.5 15.25" Retracted; 19.25" Extended Rod diameter: 3/4" Includes two 1/2" clevis pins, one 5/8"-18 threaded adjustable yoke, and two cotter pins