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55HZ-H Hyper Ringed .55 Helicopter Engine

Item No.
OS Engines - OSMG1955
$418.63
In Stock
Brand Logo
3.3 out of 5 Customer Rating

55HZ-H Hyper Ringed .55 Helicopter Engine

Item No.
OS Engines - OSMG1955
$418.63
Product $418.63
Add Ons
Estimated Total: $418.63

55HZ-H Hyper Ringed .55 Helicopter Engine

Item No.
OS Engines - OSMG1955
3.3 out of 5 Customer Rating
Product $418.63
Add Ons
Estimated Total: $418.63
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Product Details

Small in size — delivers big 3D power!

The 55HZ-H Hyper Ringed from O.S. has the power and reliability to make your heli do virtually whatever you want! Capable of installing in the same space as the 50SX-H Hyper, it features a brand-new, 3-needle 40L carb, a four-arm throttle lever for easy servo adjustments and more.


O.S. Two Year Limited Warranty
  • Installs in the same space as the 50SX-Hyper
  • A brand-new, 3-needle 40L carb
  • New porting
  • A four-arm throttle lever for easy servo adjustments
  • Durable, corrosion-proof bearings

Product Specifications

Manufacturer # 15630
Product Height 3.6 in (90.9 mm)
RPM Range 2,000 - 17,000 rpm
Displacement 0.55 cu in (8.93 cc)
Product Length 3.0" (76.6mm) from backplate to front bearing
Crankshaft Threads UNF1/4-28
Bore 0.91 in (23 mm)
Crankshaft Type Threaded
Power Type Glow
Stroke 0.85 in (23.5 mm)
Cylinders Single
Product Width 2.0 in (52 mm) at mounting tabs
Total Weight 14.40 oz (408 g)