Reference #7925 LYCOMING TGSO 480 A1, Specifications (GSO-480-A1A6), Data from FAA Type Certificate.[3], Type: Six-cylinder air-cooled geared supercharged horizontally opposed engine, Bore: 5.125 in (130 mm), Stroke: 3.875 in (98 mm), Displacement: 479.6 in³ (7.86 l), Dry weight: 498 lb dry, Valvetrain: Two overhead valves per cylinder, Supercharger: 11.27:1 ratio, providing 48" Hg (1.6 atm / 8.8 psi) manifold pressure at sea level at maximum power, Fuel type: 100 octane rating gasoline, Cooling system: Air-cooled, Reduction gear: 77:120 (.642:1), Power output: 340 hp at 3,400 rpm at sea level, Compression ratio: 7.3:1, ENGINES INSTALLED ON: Queen, Twin Bonanza, Navion, older twin Commander FOR QUEEN AIR 2 writing tables and a pot-a-potty, complete engine cowling for the Queen, From the Queen Air (A-65), Engine #1 has 507 hours on it but has been refurbished, pickled, and as you can see on shipping engine stands. It does have the logs. Engine #2 has 1601 hours (TBO is 1400), but came off the Queen in working condition and has all logs also. Just need to be overhauled. Has a good case, crank, cam, and blower. Queen, Twin Bonanza, Navion, older twin Commander. The work on the good engine was done by Brant Aero in 04, they did 2 engines, and one was put on the queen to replace the high time engine. There are only the Supercharger and gear box on the engines. Also I have a complete engine cowling for the Queen, painted white in and out with no damage. It can be used on Port or Starboard.