Donny'S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present

Do you want to make your Harley-Davidson run faster? Author Donny Petersen, with more than forty years of experience working on and designing Harleys, shows you how to make anything from mild to wild enhancements to your bike. He progresses from inexpensive power increases to every level of increased torque and horsepower. With graphics, pictures, and charts, Donnys Unauthorized Technical Guide t...