BOYESEN 90-01 CR500 BOYESEN RAD VALVE, BLOCK RAD03A, RAD-03A, RAD03A C-Frame 450 EXC Racing (2003)

450 EXC Racing (2003)

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Exclusive zipper lock system keeps pants closed and secure

Designed for direct-injected systems

it is comfortable and has new

BOYESEN 90-01 CR500 BOYESEN RAD VALVE, BLOCK RAD03A, RAD-03A, RAD03A C-Frame 450 EXC Racing (2003)Boyesen Rad Valve RAD 03A RAD03A 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