Big stuff gen pro 3 efi setup with 2 accufab 4bbl 2 3/4 (70mm) throttle bodies. Comes with extra computer, waterman manual fuel pump, precision injectors and rails, Weldon regulator and filter, ecm harness, map sensor, cam sensor, air pressure sensor, msd distributer cam sensor, booster pump, laptop interface cable. Was running on a 740 cubic inch Sonny’s engine.