Cummins Big Cam, Engine Brakes, (GOOD USED) Cummins BigCam III / IV Jake / Engine Brake Mod. 30E For Sale, Original Model: 30E Compatible W/Engine Brake Model: 425A, CPL compatible: 450, 449, 433, 402, 349, 339, 338, Tune-Up Kits: 12V Part # 3804587, 24V SL Part # 3804588, 24V DL Part # 3804589, Serial # A639584, Stock # 7731 | Tested Inspected!
