SMV Hydraulic Cylinder is 100% QC tested at factory level. 2500 PSI working pressure Dual Acting cylinder. 2.5" bore diameter, 8" stroke, rod diameter 1-1/8". Retracted length 20-1/4". O-ring static seal and piston seal is 2 back up rings + O-ring. NPT ports. Black finish includes pin and clips. Size: 2.5" x 8" Double acting Tie rod hydraulic cylinder 2.5" bore diameter 8" stroke Rod diameter 1-1/8" 2,500 lb PSI maximum pressure Retracted length 20-1/4" O-ring static seal and piston seal is 2 back up rings + O-ring NPT ports Black finish includes pin and clips.