• No-hassle installation – swap it in and feel the difference
• Premium materials that outperform and outlast the competition
• Performance gains that translate to real-world speed, not just marketing hype
  

  GBO BLOCK ASSY

  Level up your ride with the hard-hitting GBO BLOCK ASSY from Furious ONCE – the upgrade serious racers don’t talk about because they want to keep the edge to themselves.

  What makes it special:

  • Raw power increase you’ll notice the second you twist the throttle
  • Bulletproof construction that can handle serious abuse
  • Track-tested by our Furious ONCE team under extreme conditions
  • Perfect drop-in replacement for stock components

  This ain’t your typical block assembly. The GBO design delivers improved compression, better heat management, and smoother power delivery throughout your rev range.

  Why riders choose Furious ONCE:

Perfect for: Hardcore riders looking for that competitive advantage or anyone wanting to breathe new life into their machine.