Hi I'm wanting to get a price on carli and thuren coils and shocks for 01 cummins 2500 4x4. Also I was wondering which would be a better ride and which one will lift 2-3/4- 3-1/2 , it's highway and street only I don't go off-road with it. Best way to contact me is 386-365-7706 rocky thanks for any input.