Boyesen Rad Valve Honda Cr500 85-89 Rear BETA RR 4T

BETA RR 4T

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Boyesen Rad Valve Honda Cr500 85-89 Rear BETA RR 4TThe Boyesen Rad Valve features 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 lineage of aerodynamic intake technology by refining the primary performance factors required to increase