As other reviews have mentioned these are great economy shocks, they replaced the burned out ones on my 2000 Ford Expedition XLT 4x4 and work great. Installation took about 30 minutes per side just because of rust on the old screws. I had to use penetrating oil and a pry bar, but once removed, cleaned and lubricated they ran smoothly. The ride is much smoother now. They can take a beating. Remember they are great for the price, they are not high end truck shocks but they are great for normal…