BOYESEN BOY.RD VALVE 02-03 KTM300, BOYESEN RAD-42C, RAD-42C 2.5 Durable four-bolt plunger system for

Durable four-bolt plunger system for added protection

(MPN): 402247

Compatible with dual-cam engines

AN 650 Burgman L6

BOYESEN BOY.RD VALVE 02-03 KTM300, BOYESEN RAD-42C, RAD-42C 2.5 Durable four-bolt plunger system forBoyesen Rad Valve RAD 42C RAD42C 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