Renowned for their sleek shapes and prodigiously powerful engines, the Chrysler corporation's Challenger and Barracuda were among the top cars of the muscle car era. This book will demonstrate the correct parts, finishes, options, and trim pieces for all the versions of the E-body Dodge Challenger and Plymouth Barracuda, which appeared from 1970 to 1974. Especially important to this are the variety of engine options available, including the hemispherical-head engines-Hemis-that are so crucial to the mystique of these muscle cars.