BOYESEN RAD VALVE 01 RM250, BLOCK RAD-24H, RAD-24H Full Exhaust System WR 400 FN (2001)

WR 400 FN (2001)

Honda CRF250R 2004-2009

400 RR Enduro 4T     2007-2014

streetwear heads

which is now bigger and in a white and red colour combination

BOYESEN RAD VALVE 01 RM250, BLOCK RAD-24H, RAD-24H Full Exhaust System WR 400 FN (2001)Boyesen Rad Valve RAD 24H RAD24H Now delivered with carbon fiber reeds for even greater performance gains Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports Sharper, quicker throttle response Added torque improves performance on hills, through corners and over technical jumps Increases horsepower in low , middle and especially the top end ranges One piece aluminum casting, no trimming