If you’re looking to blast your 1970-1974 Dodge or Plymouth E-body into the modern era of performance, Holley has all the right parts to make dropping a Gen III Hemi in between the fenders of your classic Mopar a breeze. From engine and transmission mounts, to ECUs, oil pans, and full exhaust systems, Gen III Hemi swap systems take the mystery and headache out of the job, helping to get your project finished as quickly as possible.