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OS Speed B2101 .21 Size Car Engine

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O.S. Engines

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 Product Description

OS Speed B2101 .21 Size Car Engine

  • Factory-tuned for maximum performance and power output.
  • Features a DLC-coated crankshaft balanced with tungsten weights and the efficient, reliable 21J carburetor.
  • Offers fast acceleration off the starting line and out of corners, and immediate throttle response from low to high speeds.
OS's new Speed B2101 .21 buggy engine is specifically designed for maximum power output, performance and tuneability in all 1/8 buggy applications. The machined cylinder head with laser-etched Speed Tuned graphics lowers the center of gravity and improves cooling, while the crankshaft is DLC-coated and balanced with tungsten weights for optimum efficiency.
  • Displacement 3.46 cc
  • Bore 16.40 mm
  • Stroke 16.40 mm
  • Practical RPM 4,000-42,000
  • Output 2.61 hp @ 34,000 rpm
  • Weight 352g 

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