Note: Cancelled orders will be subject to a 3% cancellation fee. The Roof Racks offer you an option no other rack does – the ability to upgrade over time!They have designed the roof racks to utilize the same Ruggedized Crossbars available for factory roof rails, so you can start out with a set of Ruggedized Crossbars only, and over time upgrade the side rails and add Crossbars as needed! The Roof Racks are also available as a complete setup as well. The side rails are constructed of 7 gauge steel for excellent strength and rigidity and powder coated with the same UV stable automotive grade powder coating as the Ruggedized Crossbars.Compatible with a steel or aluminum Ruggedized Crossbars for factory roof rails.The hardware is Grade 8.8 M8 bolts finished in a harsh environment coating with Nordlock washers and nuts. Nordlock washers are vibration resistant and take quite a bit of torque to loosen once tightened! These washers will not shake loose on the trail!This listing is for a complete Roof Rack for a 4th Gen 4Runner. The Roof Rack comes standard with 7 steel Ruggedized Crossbars, and an integrated wind faring.Toyota specifies a maximum dynamic load rating for the roof of 300 pounds. ** PRODUCT MAY REQUIRE LEAD TIME - SEE SHIPPING TAB FOR DETAILS **