Brand: OS Engines
Product Code: 121212
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55AX ABL

More muscle for mid-sized planes!

Put more power in your .40-size model the easy way: just drop in a 55AX engine. It has the same bolt pattern as the 46AX for no-mod retrofits, but it also has the added displacement it needs to swing bigger props — and everything you need for better 3D, precision and sport flying.

  • Direct, bolt-in replacement for the 46AX.
  • A diagonally-placed needle offers more pilot safety and eliminates the need for a remote needle valve.
  • The 6-sided, angular head offers unique looks and significantly increases surface area for better cooling.