Boyesen Rad Valve Yamaha Yz85 02-21 Hoodies Taper Design

Taper Design

RFX Pro Series Black Zinc Front Sprockets are CNC machined to the tightest tolerances from high tensile steel and case hardened to 60 Rockwell to resist wear and ensure longevity

Seamless stitching to minimise discomfort

350-520RR 13-23

Boyesen Rad Valve Yamaha Yz85 02-21 Hoodies Taper DesignThe 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