Originally Posted by Country Boy

Id drop back to the 2" block. A raked truck looks... eh. What is your reason for wanting 40s? Im sure you dont need the extra clearance.. I would stay with the 37s and keep the truck practical. I ride on a set of 35s since I use the bed of the truck everyday.

Also, the 40s will kill the 4.56 gear. Its a big difference from a 37 to 40 and not regearing. I have 4.88s with 35s, but Im also a little gasser.