BOYESEN RAD VALVE 03-04 YZ125, BLOCK RAD-33I, RAD-33I RAD-33H Goggle Accessories · Husaberg FE390 / FE450

· Husaberg FE390 / FE450 / FE570 2010

250 SX-F 13-15

- TM MX 530 ES FI 4T 2023

ZX 550 (1986)

BOYESEN RAD VALVE 03-04 YZ125, BLOCK RAD-33I, RAD-33I RAD-33H Goggle Accessories · Husaberg FE390 / FE450Boyesen Rad Valve RAD 33I RAD33I 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