1988 Harley-Davidson DurAlt Fuel Additive Ad

This is a 1988 ad for a Harley-Davidson DurAlt Fuel Additive! The size of the ad is approximately 5.5x8inches. The caption for this ad is 'Knock Knock Not There' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!