Nitrotec R21 3.5cc buggy race engine

Seen at the toy fair on the Horizon Hobby stand, the new Italian-made Nitrotec R21 3.5cc buggy race engine was designed to produce a race winning power band and throttle response while delivering exceptional run time. Developed by Team Losi Racing and manufactured by Novarossi it features a state of the art ABC construction, optimized hi-velocity extra efficient 4-port sleeve design and lightened aluminium/silicone alloy piston with Dome/Dish design for improved combustion. This turbo engine sports an oversized cooling heat sink head and composite double O-ringed slide type carburetor and is supplied wit 7, 6.5, & 6mm venturis.

Source: Losi [losi.com]