Boyesen Rad Valve Honda Cr250 2003 Moto-9 Flex 450 EXC-F 10-11

450 EXC-F 10-11

Higher resistance of turning the fork legs: Self-inhibition of the fork tubes in both directions

YZ450F 08-23

Husqvarna TE 150I 20-23 front

Boyesen Rad Valve Honda Cr250 2003 Moto-9 Flex 450 EXC-F 10-11The 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