Not a lot of experience with them, as they're not readily available through parts houses around here, but what little experience I do have, they seem to be excellent shocks. I bought a used truck that needed a new injection pump, '98 24v quad cab, 4x4, and they were on it for at least 50k miles before I got it. Another 8-10k before I sold it, and they were still working good with SuperCoil SSC23 front spings on it..... got to be good to stand up to the weight of the truck, added spring capacity, and all the weight from front bumper and winch... ... .