You really need to go weigh your truck. You can not go by any weights you read other then your weight ticket from the scale. Some published weights do not include some of the options you have on the truck. Some do not even include a spare tire rear bumper or full tank of fuel. Anything you ad to your truck to help it handle more weight also adds to the weight of the truck including the 19.5 tires that do weigh more then you stock ones. Before you spend money on anything else realated to this spend the 12 dollars and go weigh your truck.