2 O.S. 40 FP ENGINES, THE FP .40 THAT HAS REMOTE ARM IS SMOOTH TURNING AND IS BRAND NEW. THE OTHER FP .40 IS USED, HAS REMOTE CARBURATOR BUT NO REMOTE ARM OR NEEDLE VALVE.. ENGINES IS SMOOTH TURNING. THE MUFFLERS ARE USED AND ONLY ONE HAS MOUNTING BOLT. ENGINES COME AS IS. WILL SHIP BY USPS TO LOWER 48 STATES AND OVERSEAS BY EBAY GLOBAL SHIPPING PROGRAM.