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Product Description:

This is the Axe Rossi brand Cobra X2 Evolution 236R21 off road competition race engine. This is one of the newest engines to come out from the Axe Rossi engine manufacturing plant, and boasts awesome all around performance.

Rossi engines are hand made in Italy, built to the most precise tolerances, with the finest Swiss CNC machine equipment, using the best quality materials to give you the highest performance and longest life.

This engine will work with any recent 1/8th scale buggy such as the Kyosho Inferno MP7.5, Kanai 2, Kanai 3, Kyosho Inferno MP777, Mugen MBX4, MBX5, OFNA Hyper 7 Pro, OFNA 9.5 Pro, Bergonzoni Blast, Horizon SportWerks Mayhem and Thunder Tiger EB4, EB4 S2 Pro and EB4 S3.



  • New Crankshaft with Special Balance
  • New Design Cooling Head
  • Bigger buster exhaust ports than the normal Cobra
  • Carburetor with heat insulation prevents fuel vaporization
  • Plastic insert in the crankshaft for the fuel/air mixture flow path optimization


  • Displacement: 3.5cc
  • Horse Power: 3.5 HP
  • RPM: 42,600
  • Ports: 7 + Buster Exhaust System
  • Glow Plug: Turbo
  • Weight: 340 gr
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