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Nitrotec R21 3.5cc Race Engine

by Losi (LOSR2800)



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Product Description

Key Features

  • Developed by Team Losi Racing, manufactured by Novarossi World S.R.L.
  • State of the art ABC (Aluminum piston, Brass sleeve, with Chrome plating) construction
  • Optimized hi-velocity extra efficient 4-port sleeve design
  • Lightened Aluminum/Silicone alloy piston with Dome/Dish design for improved combustion
  • Lightened and knife-edged machined aluminum connecting rod with pressurized oiling feature
  • Vacuum cast aluminum alloy case with large cooling and reinforcement fins
  • Stuffer type back plate with O-ring seal and machined piston relief
  • Oversized cooling heat sink head
  • Turbo head insert/combustion chamber
  • Hardened steel turbo ported crankshaft with machined reliefs to prevent windage
  • Specially constructed precision ball bearings supporting the crankshaft
  • Composite double O-ringed slide type carburetor with molded restrictors
  • Easy tune high and low speed needle valves
  • Carburetor materials optimized to prevent thermal conduction

Needed To Complete

Nitro Fuel
Tuned Pipe and Manifold

Overview

Developed with the racer in mind, the Italian-made Nitrotec R21 3.5cc/.21C.I. Race Engine (LOSR2800) was designed to produce a race-winning power band and throttle response while delivering exceptional run time. The Nitrotec R21 is recommended for use with the 8IGHT™ family of vehicles, as well as any nitro vehicle that requires a .21 engine.

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