Rad Valve Boot - For 86-00 CR250R, 90-01 CR500R, 96-98 RMX250, 99-00 RM125

For 86-00 CR250R, 90-01 CR500R, 96-98 RMX250, 99-00 RM125

• UPC: 804429501779

Boyesen engineers embarked on a mission to create a new lineage of aerodynamic intake technology by refining the primary performance factors required to increase peak horsepower through design innovation: Aerodynamic Surface Optimization, Model-Specific Reed Petal Tensioning, Material Fuel Resistance, and Multi-Stage Reed Timing. Together, these innovations create a new technological benchmark in intake performance.