Losi 3.4 Performance Engine (.20 cu in)

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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Low Price: $154.99
Discontinued Online

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.

Juanita Cochran
Sunday, Nov 11 2012 (about 4 years ago)
Losi 3.4 Performance Engine (.20 cu in)
that is the best but one problem what glow plug do you use???)
Adelar Padilha
Wednesday, Aug 21 2013 (about 4 years ago)
Losi 3.4 Performance Engine (.20 cu in)
Good Night, wanted to know the total losi 3.4 engine with shipping?
And Tambe wanted to know the price of the car bugg losi 810 with shipping?)
John Prince
Friday, Jul 26 2013 (about 4 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.)