In this book, moto-journalist Christopher P. Baker offers a complete guide to every production engine ever built by the USA s leading motorcycle brand. Packed with technical data and specifications for all the engine families, the text examines key innovations in minute detail while capturing the spirit of more than a century of mechanical excellence that has come to embody the American Dream. Superlative 3D illustrations showcase the engines including unique detailed close-ups that reveal their inner workings and more than 45 bike model variations make this book a must-have for every Harley-Davidson aficionado.