Seriously for towing that much trailer, I would loose the lift and go back to stock rims. lift = high center of gravity and now helpful to towing
larger diameter tire are usually a lower load rating and effectively give a higher axle ratio..not good for towing that much weight.
Amateur Radio Operator (KE5DFR)|Full-Time! - 2012 6.7L Ford Crew Cab Dually -2013 HitchHiker Champagne 38RLRSB - Travel with one Standard Schnauzer and one small Timneh African Gray Parrot