Our Track Rack-Sport Series for the JK mounts directly to the rear section of the hard-top. The Rack measures 48"W by 342L and has 4"H Sides. The supplied tracks mount directly to the hard-top and the mounting brackets attach the roof rack basket to the tracks. The Track Rack comes complete with all mounting hardware and is powder-coated with a zinc primer and black top coat for lasting durability. Drilling required for installation. Fits JK Wrangler Unlimited( 4 Door Models)