Boyesen Rad Valve Honda Cr250 05-07 Side Panels Equipped with RC-4 Resonance Chamber

Equipped with RC-4 Resonance Chamber

KTM 530 EXC-F Six Days 2009-2012

SE-F510 07-14

Left Case Cover

No need to disassemble the clutch cover for installation

Boyesen Rad Valve Honda Cr250 05-07 Side Panels Equipped with RC-4 Resonance ChamberThe 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