Speed B2101 "Las Vegas Edition" .21 Off-Road Buggy Engine by O.S. (Turbo Plug)

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Limited Edition OS Speed B2101 "Las Vegas Edition" Engine

This is the OS Speed B2101 Las Vegas Edition 1/8 .21 Nitro Engine, to commemorate the 2016 IFMAR World Championship held in Las Vegas, Nevada, USA. Like the original Speed B2101, this Limited Edition engine features the renown 21J carburetor, DLC coated and balanced crankshaft, low CG cooling head and a 6mm and 6.5mm carburetor restrictors to tune the engine for various track conditions.

What makes this engine special is the cooling head features limited edition livery showcasing the 5 IFMAR World Championships, represented by the five stars and five stripes, in a red and blue color theme for the United States.


  • Limited-run version of the IFMAR Worlds-winning iconic engine
  • Five stars and stripes on cylinder representing an O.S. IFMAR Worlds victory
  • Designed for maximum power output, performance and tuneability in 1/8 scale buggies
  • DLC coated crankshaft balanced with tungsten weights
  • 21J slide valve carburetor

0.211 cu in (3.46cc)
0.646" (16.40mm)
0.646" (16.40mm)
RPM Range:
4,000 - 42,000
2.61 hp @ 34,000RPM
12.42oz (352g)
Carburetor Settings:
carburetor is preset at factory 


  • Speed B2101 "Las Vegas Edition" Engine
  • 21J Carburetor
  • 6mm Carb Restrictor
  • 6.5mm Carb Restrictor
  • P3 Turbo Glow Plug
  • Exhaust Seal
  • Dust cap Set

Needed To Complete:

  • 1/8 T2090SC Tuned Pipe & Manifold Set

This product was added to our catalog on September 19, 2016.