Back to Mopar Chassis1970–1974 E-Body, Challenger, Cuda Chassis Your Mopar’s uni-body construction is inherently weak. Our G-Machine Chassis isn’t. Introducing the FIRST and ONLY bolt-in full length frame / chassis for your Mopar unibody! The sheet-metal that your suspension components and engine are mounted to begins to flex dramatically once you add more horsepower, higher spring-rates and better brakes. With … Continue reading 1970–1974 E-Body, Challenger, Cuda Chassis