F150 Bed Fitment: this SE Tonneau Cover will only fit F150s with a 5.5ft bed. A version for F150s with a 6.5ft bed is also available.
Ford Cargo Management System Fitment: This kit will not fit trucks equipped with the optional Ford Cargo Management System.
FAQ: "Does My F150 Have The Ford Cargo Management System?" -- Beginning in 2008 Ford introduced its Cargo Management System for F150s, which is a factory installed device that allows you to slide and adjust a system of rails to effectively store any cargo you're hauling in the bed of your truck.