Maximum power achieved through air intake, acceleration and distribution, A sophisticated array of performance attributes designed to provide peak horsepower gains, durability, and model-specific performance for each make/model/year machine, Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement, With the new RC2 Rad Valve System, Boyesen engineers have created a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation