LOSR2100 Losi 3.4 Engine. 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.

 - 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: 16.90 mm
Stroke: 15.30 mm
Engine (Only) Weight: 220.40 g
Benchmark Prop: 34000 RPM
Fuel: 10-30% Nitro
HP: 1.8