Feature:working pressure: 3000 psiBore sizes from 2" to 8"Stroke sizes 4" to 80"Chromed, ground & polished piston rod Skived and precision honed tubing Ductile iron piston Thread-in ductile gland Urethane u-cup, metal encased wiper, Teflon cap seal and wear ring Cross tube end fittings with grease zerkstesting: 100% oil testing before shipping