BOYESEN RAD VALVE 97-98 KX250, BLOCK RAD-12C KAWASKAI MX, RAD12C Fatty Pipe YZ 400 F (1998-1999)

YZ 400 F (1998-1999)

MWS 125 C Tricity SEC2

2017-2022 Husqvarna TX 300

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BOYESEN RAD VALVE 97-98 KX250, BLOCK RAD-12C KAWASKAI MX, RAD12C Fatty Pipe YZ 400 F (1998-1999)Boyesen Rad Valve RAD 12C 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 or