These shocks were great value on my Ford Excursion 2WD Diesel with aftermarket wheels and 265/60R20 tires in the E load range (shocks probably work even harder). The running behavior is quiet and smooth, but still firm and without any teetering. The rear pair was easy to install and the front pair was easy to install but took a little longer. Installing shock absorbers on this vehicle does not require a hoist, jack stands, tire removal, or even opening the hood. Be sure to swap out all four shocks at the same time to really feel the improvement. 911174 rear and 911173 front.