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Mini bar Mounting plate. Using the 3rd brake light as the main support and rubber support  legs at ends of plate to rest on cab 
Light Bar Mount for Ford Aluminum Cabs 
Mini Bar Mounting Options
Magnetic Mount Version.
Permanent mount with hard wired connections.
Clean mount look.
Up to a 20 " mini bar capacity
Since the Ford production of the F series  went to aluminum cabs, aluminum body. This third brake light light bar mount option helps keep cost down in place of purchasing a full size light bar with cab mounts.

 Or having to purchase a headache rack to mount any size light bar.

 Most important, This mount style has a very clean look.  
Call for estimates and product information .   817 306 -4499   817 847-0007 
Up to a 20 " mini bar capacity
Third Brake Light Mounts available for aluminum cab Ford F Series Trucks