1975 Choppers Magazine - Tro-Cy's Hot Rod Petcock - it flows

Cover: Bill Drysdale and Chuck Lopez practice for their upcoming feature role in "Two Motorcycle Rowdies Meet Andy Warhol and Practice Several Unnatural Acts on Viva"; Feature Bikes: Magnanimous Fatbob, 80-inch Shovelhead Casserole, BSA Feature of the Month, Rat Bike of the Month, Green Honda Death Wish; Choppers Product Tests: Barnett Honda Four Clutch; Tro-Cy's Hot Rod Petcock; Phase III Belt Drive; more

1975 February Choppers Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com