Boyesen Rad Valve Yamaha Yz250 97-98 Touring Unparalleled flex control

Unparalleled flex control

HELMET INNER LINER/CHEEK PAD KIT GPX 4

HUSABERG FX 450 2009

KTM SX65/85 14-25

· Kawasaki KX85 2010 / KX100 2010

Boyesen Rad Valve Yamaha Yz250 97-98 Touring Unparalleled flex controlThe 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