This is a replacement O.S. Engines Connecting Rod, intended for use with the O.S. 91HZ F3C and 91HZ PS 3D Helicopter Engines.

Product Information


O.S. Engines 105 HZ

O.S. Engines 105 HZ-R

O.S. Engines 91 HZ F3C

O.S. Engines 91 HZ-PS 3D

O.S. Engines 91 SZ-H Ringed


Connecting Rod x 1

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O.S. Engines Connecting Rod 150HZ and 91 Series

  • Brand O.S. Engine
  • Product Code: 81-29505010
  • Availability: In Stock
  • $24.99

Tags: Nitro, Engines

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