Boyesen Rad Valve Suzuki Rm125 89-91 Handguards D’s patented X-Ring is superior

D’s patented X-Ring is superior to other O-Ring designs

Extra long design increases the efficiency of the chain guide feeding

Side Panels - Black - 8604700003

KX450F 21-23

Boyesen Rad Valve Suzuki Rm125 89-91 Handguards D’s patented X-Ring is superiorThe 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