Yes, Air Lift kit 59501 will help support up to 2,000 lbs. of weight. It sounds like you are loading your truck to the max. We recommend using an Air Lift Load Lifter 5000 lb kit. We would need the year of your F-150 to see what air bag kits are available. Feel free to call us at 1-800-358-4751 and we can help find the best load support option for your F-150.