BOYESEN engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific Reed Petal Tensioning, Material Fuel Resistance, and Multi-Stage Reed Timing. Together, these innovations create a new technological benchmark in intake performance.

One-piece design.
Maintain flow velocity through the valve and redirect intake charge for even distribution to intake ports.
Pull a gear higher on uphills; instant acceleration makes passing effortless.
Made of one-piece aluminum casting and bolts in easily; no modifications necessary.
Easy

Boyesen Rad Valve RAD-33J

BOYESEN engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific Reed Petal Tensioning, Material Fuel Resistance, and Multi-Stage Reed Timing. Together, these innovations create a new technological benchmark in intake performance.

  • One-piece design.
  • Maintain flow velocity through the valve and redirect intake charge for even distribution to intake ports.
  • Pull a gear higher on uphills; instant acceleration makes passing effortless.
  • Made of one-piece aluminum casting and bolts in easily; no modifications necessary.
  • Easy installation.

Note: Image is representational - actual product may vary.

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