Boyesen Rad Valve Honda Cr500 90-01 tear off alternative 2005-2007 RMZ450

2005-2007 RMZ450

· Yamaha WR250R / WR250X 2010

300 X-TRAINER 16-23

· Honda XR250R / XR400R 1998

put this aside as it’s not required on the KTM

Boyesen Rad Valve Honda Cr500 90-01 tear off alternative 2005-2007 RMZ450The 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