BOYESEN engineers create a new lineage of aerodynamic intake technology 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.
Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.
Race proven Rad Valve results in an optimized air intake system that provides superior efficiency, peak horsepower gains, and acceleration for YOUR specific model machine