Dethmers Manufacturing Company Demco Hijacker Sl Series Mounting Bracket Kit Ford F150 '04 '13. The SL Series uses a manual slider rail that runs front to back in the truck bed and attached the bed rails with six bolts to connect to the brackets underneath. Fits 2004-2013 F150 6.5' and 8' boxes not for 5.5" box installs. Features of Dethmers Manufacturing Company 8553002 Demco Hijacker Sl Series Mounting Bracket Kit Ford F150 '04 '13 SL Series uses a manual slider rail that runs front to back in the truck bed Attaches to the bed rails with six bolts to connect to the brackets underneath Fits 2004-2013 F150 6.5' and 8' boxes Not for 5.5' box installs Package Contents: Dethmers Manufacturing Company 8553002 Demco Hijacker Sl Series Mounting Bracket Kit Ford F150 '04 '13 Dethmers Manufacturing Company 8553002: Demco Hijacker Sl Series Mounting Bracket Kit Ford F150 '04 '13