A custom quick install bracket kit significantly reduces the time to install your fifth wheel rails. In most cases, the custom brackets match up with pre-existing holes in your truck frame. Also comes with the standard ten bolt rails that can be used with a drop-in style gooseneck 58079 plate and most fifth wheel hitches on the market.2017 Ford, F-250 Super Duty2017 Ford, F-350 Super Duty (Except Cab and Chassis)2018 Ford, F-250 Super Duty2018 Ford, F-350 Super Duty (Except Cab and Chassis)2019 Ford, F-250 Super Duty2019 Ford, F-350 Super Duty (Except Cab and Chassis)2020 Ford, F-250 Super Duty2020 Ford, F-350 Super Duty (Except Cab and Chassis) | Reese Quick Install Fifth Wheel Mounting Brackets With Rails