Not going to respond to the shock question, but to the tire question. If you want just a road machine that handles almost like a car I recommend the Bridgestone Dueler H/P Sport. I had them on my previous truck and liked them so much, when I got my '23 Silverado I sold the OEM Generals and bought the Dueler's again in 285/60/18 size. But, checking Tire Rack, I see they are no longer available for 18" wheels, but only for 19" and above. It is a summer tire. I luv 'em
Lou