BOYESEN RAD VALVE 00-04 YZ250, BLOCK RAD-34I YAMAHA MX, RAD-34I sizing-jersey-grindhouse-adult With ventilated bio-foam padding for

With ventilated bio-foam padding for comfort and fit

IT ENSURES DURABILITY

GB 500 (1989-1990)

CB 750 (1992-2002)

BOYESEN RAD VALVE 00-04 YZ250, BLOCK RAD-34I YAMAHA MX, RAD-34I sizing-jersey-grindhouse-adult With ventilated bio-foam padding forBoyesen Rad Valve RAD 34I RAD34I 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