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Worx – Yamaha Blow off Valve Assembly – WR04021


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  • Our cost effective design BOV will greatly improve supercharger clutch life in your Yamaha 1.8 engine. Kit includes a High Strength silicone hose that incorporates a Billet lightweight “Blow off Valve’, necessary vacuum lines and fittings for install.
  • Easy install to OEM location
  • Lightweight billet construction less load on hose to reduce fatigue and tearing
  • Easy to dissemble for cleaning and maintenance
  • Cost effective upgrade for stock or modified skis