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
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.