DP Custom's wild 'American Graffiti' Ironhead

Motor racing has traditionally been the biggest influence on DP Custom bikes: their previous builds have sported the colors of Formula 1 and NASCAR cars. But this time, the Arizona company has turned to classic movies for inspiration. “We’ve enjoyed films like Two-Lane Blacktop and American Graffiti for years,” say the Del Prado brothers. “Both those movies feature Justin's favorite car of all time—the ’55 Chevy.” That's the influence for this latest DP bike, which started off as a matching-numbers 1979 Ironhead before it was stripped down and treated to a full restoration and detailing job. At the back is...