anyone know of interchangable parts for these? im mostly looking for brake components as what is sold as "cadillac" is super expensive. im planning on staying stock on the whole braking setup. dont really need any suspension as i am planning on going with an air suspension (unless anyone has swapped the front shocks for some actual A-Arms. maybe wiper arms and other trim that is hard to get for these things that i could get off something else and make fit... any help will be greatly appreciated. thankS!