You can take your chances with an old system but you could end up spending more to replace parts that are bad. I purchased the whole system. It was about 1250.oo after I had the system charged. Took about 6-8 hours to install.
1997 Jeep Wrangler TJ 4x4 4.0L 4" Procomp lift, Method Race Double Standard Wheels, 35" Goodyear Duratracs, Warn front bumper, Warn xd9000 winch, Warn rear bumper with tire carrier. Poison Spyder Hood Louvre, Defender flares, corner crushers, LED Light Bar Mount, LED lights.