Product info ALIGN 55H ENGINE / OS55H Instructions: �- MADE IN JAPAN ALIGN Hyper engine for superior 55 size helicopter. �- 40L dual needle carburetor, makes the adjustment much more precisely. �- Delivers more horsepower for higher rotor speeds. �- Brand new crankshaft design. Increase the efficiency of intake/exhaust and makes the power stronger. �- Besides good looks and excellent cooling, this engine is machined blue alumite heat sink head also boosts combustion efficiency for more power stability. �- Same size connector to the mount and the muffler as what Align 50 Hyper engine has,Maximize the efficiency when operating with ALIGN 50 High Performance Muffler. Specification: �- Displacement:8.93cc (0.55 cu.in.) �- Bore:23mm (0.91 in.) �- Stroke:21.5mm (0.85 in.) �- Practical rpm range:2000-20000 rpm �- Output:2.1hp/17000rpm �- Weight:408g (14.40 oz.) Accessories: �- OS#8 glow plug x1 �- 40L carburetor x1 Product name ALIGN 55H ENGINE / OS55H Product number TR-HFE55H02T   Few in stock  Price for 1 224,39 EUR (incl. VAT) Amount    Buy   «-Back  USDDKKEUR     Show without VAT   Tip   Print If you have any questions feel free to call us.