I have been touting how good these shocks are vs the over-priced gimmicky Rancho's I had 8 years ago. They softened up considerably after 3 years. Frankly, I pretty much left them on one setting anyway...so that could have been why they softened up.
So far, I'm on my second truck with these KYB's and love them. Robust, rugged and dependable after years of use on a truck/camper setup. Both campers are almost 5000 lbs too.
I paid about $50 a piece for them online and paid an hour labor to have them put on at a local tire store.
A no-brainer. Save the HUNDREDS over the other brands and put the $$$ toward a nice mod or two.