Aluminum Ford Thunderbolt Bumper Template for welding new section. Completed bumper with new section welded in place. Fabrication of left side Ford Thunderbolt bumper end. Entire Ford Thunderbolt bumper metal finished and polished. Share this: Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print