1974 Champion Spark Plugs "Clean Sweep" Ad with Marty Smith, Bruce McDougal & Chuck Bower

Marty Smith, Bruce McDougal and Chuck Bower finished AMA's inaugural 125cc National Championship Motocross series first, second and third. And since all three rode Honda Elsinores, they made it a clean one-two-three sweep for the Japanese cycle manufacturer. And since all three Hondas were sparked by Champion Gold Palladiums, they made it a clean sweep for Champion, too. 1974 Champion Spark Plugs "Clean Sweep" Ad available at www.DadsVintageAds.com CLICK THE PICTURE TO "BUY IT NOW"