Boyesen's hot RAD valves provide plenty of off-road torque Custom reed cage holds Boyesen's carbon fiber reeds Sustains flow velocity through the valve and redirects intake charge for balanced distribution to intake ports Quickens throttle response and ramps up horsepower throughout rpm range Solid one-piece aluminum casting; bolts in easily Specificatii produs COD PRODUCATOR RAD04A GREUTATE 0.4400 Kg IMPACHETARE Bucata MATERIAL Carbon Fiber/Composite Reeds | Cast Aluminum Cage MODEL RAD-04A STIL Dual Stage TIP Rad Valve HONDA TRX 250 R AMERICA 1989 HONDA TRX 250 R AMERICA 1988 HONDA TRX 250 R AMERICA 1987 HONDA ATC 250 R LC ALL 1986 HONDA TRX 250 R AMERICA 1986 HONDA ATC 250 R LC ALL 1985 HONDA CR 250 R ME030 ALL 1985 HONDA CR 250 R ME030 ALL 1984