Sold Out

105HZ Gold ED W/ Pipe

Dhs. 3,800.00

This product is sold out

The O.S. Engines 105HZ-R Gold Edition Helicopter Engine is a limited edition 80th anniversary offering that delivers the same 3D power as the original but with a super-sleek gold-anodized carb stack, cylinder head and a black anodized crankcase. Plus, you get the efficiency and awesome throaty roar of an included tuned exhaust.


  • Gold anodized carburetor stack and cylinder head
  • Black anodized crankcase
  • Featuring the displacement of a 1.05 in the mounting space of a .90
  • More displacement means more power, and these engines boost displacement by 15%!
  • A huge venturi boosts output even further
  • The machined, gold-plated heatsink head is light in weight, and cools the engine efficiently
  • An extra feature on the 105HZ-R is the DRS (Demand Regulator System), which ensures consistent fuel flow regardless of the heli's attitude


  • Displacement: 1.048 cu in (17.17 cc) 
  • Bore: 1.442 in (29 mm) 
  • Stroke: 1.024 in (26 mm) 
  • Practical rpm: 2,000-16,500 
  • Output: 3.75 hp @ 15,000 rpm 
  • Weight: 21.46 oz (608.4 g) 
  • Includes: Power Boost 105 pipe