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O.S. Engine Piston for O.S 55HZ / 55HZ-R Engine Online Sale Original price was: $41.99.Current price is: $25.19.
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O.S. 55HZ-R DRS Ringed .55 Helicopter Engine Sale

Original price was: $474.99.Current price is: $190.00.

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SKU: US-3528857813069 Categories: ,
Description

Description

O.S. 55HZ-R DRS Ringed .55 Helicopter Engine

The 55HZ-R DRS engine is designed to meet the unique demands of F3C competition and 3D flight!

  • The Demand Regulator System (DRS) uses pressure to consistently deliver the optimal air-fuel mixture to the engine — regardless of the heli’s attitude
  • Two needles on the carburetor precisely adjust middle and high speeds
  • A hole in the cover plate allows for mounting a sensor of Futaba®‘s GY-701 governor, to insure more stable flight
  • Cranks out 2,000-20,000 rpm
Shipping & Delivery

We accept returns on non-sale items that are in original packaging, unused, and unwashed within 30 days of receipt. Please follow our returns/exchanges process below. If items do not meet our requirements for return, they will be shipped back to you in lieu of a refund. Shipping and handling charges are non-refundable (exceptions may apply).

Returns & Exchanges Process: If item(s) fit within our returns guidelines found in the Returns. Please allow 7-10 business days for the credit to appear on your account after your return is processed.