This Pro Bed Rack Kit is specifically designed to fit the Toyota Tundra (3rd Gen) 4 Door CrewMax 5.5 load bed. Included in this Kit is the a 1425mm/56.1'' x 1560mm/61.4'' Slimline II Rack and Pro Bed System. The Pro Bed Rack Kit provides the freedom to customize your Load Bed storage configuration. The Slimline II Rack allows all the top, side and under rack mounted adventure gear accessories.  The PBAC001/PBAC008, PBAC002 and a PBAC006 freeing up space on the Slimline II rack and in the bed of your truck. Secures to the bed of the Toyota Tundra (3rd Gen) 4 Door CrewMax 5.5 with specific mounting brackets. Drilling is required for fitment.  The Pro Bed System has integrated fixing points for more accessories such as the PBAC004.   All Front Runner Racks are backed by a Limited Lifetime Warranty*   For further information on installation, please see the fitment instructions in the INSTALL tab.