Maxim TC 2500 PSI Tie-Rod Cylinder for Double Acting 4'' Bore x 40'' Stroke - 2 Rod Dia #1/2 NPT Port Retracted 50.25" and Extended Length 90.25" and 1 Pin Dia 50.25'' Retract 90.25'' Extended 21530 lbs. Column Load 1/2 NPT Ports 1'' Pins