This is the 105HZ 1.05 cu in Helicopter Engine from O.S. Engines.

    **Additional Technical Info Will Be Added When It Becomes Available.**

FEATURES: Same mounting dimensions as a .90 cu in engine
          Machined blue anodized aluminum heatsink cylinder head
          Velocity stack increases airflow and enhances engine performance
          Backplate accepts the Futaba BPS-1 RPM sensor for the GY701 and
            CGY750 gyros
          Ideal bore and stroke ratio for lowest vibration

INCLUDES: 105HZ 1.05 cu in Helicopter Engine with Glow Plug and Manual

REQUIRES: Fuel: Heli blend with 15% nitro content

SPECS:    Displacement: 1.048 cu in (17.17 cc)
          Bore: 1.142" (29mm)
          Stroke: 1.024" (26mm)
          RPM Range: 2,000 - 16.500
          Output: 3.7 ps @ 15,000 RPM
          Weight: 21.03oz (596g)