MOTORCYCLE RAD VALVE 2010 Harley Davidson FXDB Dyna Street Bob Filters clamp directly to vent

Filters clamp directly to vent tubes on valve cover or crankcase

2004 Arctic Cat Sabrecat 600 LX (EFI) 128"

500lb Load Rating

Soft rubber coated forks with added cushion fins

Outlasts any mild steel or surface hardened sprocket as much as two or three times over

MOTORCYCLE RAD VALVE 2010 Harley Davidson FXDB Dyna Street Bob Filters clamp directly to ventBOYESEN 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. Boyesen Engineering would like to