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OS Engines Speed B21 Ongaro Edition .21 Engine with T2090 Pipe OSM1DL02

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OS Engines Speed B21 Ongaro World Championship Edition .21 Engine with T2090 Pipe (WC2022)

OS Engines is proud to release the limited-edition B21 Davide Ongaro OS Speed World Champion Edition engine. Italian professional RC driver, Davide Ongaro, was crowned the first ever back-to-back World Champion in 1/8th Nitro Buggy history in 2022. This B21 Ongaro edition features a low-gravity cooling head and 6.5mm carb reducer used when he won the IFMAR 1/8 off road World championship in Spain. The engine also features a specially engraved crankcase design.


  • Displacement:Ā 3.49cc / 0.213
  • Bore:Ā 16.27mm / 0.641 in.
  • Stroke:Ā 16.80mm / 0.661 in.
  • Output:Ā 2.68 ps / 2.64 hp / 34,000 r.p.m.
  • Practical rpm range:Ā 4,000-42,000 r.p.m.
  • Weight:Ā 352g / 12.42 oz.