Losi 3.4 Performance Engine (.20 cu in)

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Losi 3.4 Performance Engine (.20 cu in)
Price: $154.99
Discontinued Online
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
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Displacing a category-leading .20 cubic inches, the Losi 3.4 Performance Engine packs big block torque into a small block footprint. The result is unmatched power for an engine this size, offering outstanding acceleration from a standstill all the way up to the top end. Developed from the ground up with inspiration from some of the most potent race-proven engine designs, the Losi 3.4 has a wide RPM range for more torque wherever you need it.

Key Features:

  • Most displacement of any small-block nitro engine
  • ABC Piston and sleeve construction
  • Anodized cooling head with built-in head protector for style and protection
  • Brushed T6 aluminum connecting rod
  • Solid SG-style crankshaft
  • Designed for speed and power for small-block applications
  • 6.9mm Slide carburetor with dual mounting position high-speed needle
  • Composite carburetor body reduces the risk of vapor lock


  • Displacement: .20 cubic inches
  • Bore: 16.90mm
  • Stroke: 15.30mm
  • Engine (Only) Weight: 220.40g
  • Benchmark Prop: 34000rpm
  • Fuel: 10-30% Nitro
  • HP: 1.8

This product was added to our catalog on September 25, 2009

Sunday, Nov 11 2012 (about 9 years ago)
Losi 3.4 Performance Engine (.20 cu in)
that is the best but one problem what glow plug do you use???
Friday, Jul 26 2013 (about 8 years ago)
Losi 3.4 Performance Engine (.20 cu in)
Without a doubt the best RTR on the market. If you doubt this, just continue researching and see if you can find anything negative about it. I'm going to 2+ gallons on mine, and it seems like it is getting stronger.