BOYESEN 94-01 YZ80 BOYESEN RAD BLOCK RAD-30A kits-jersey-nitro DRZ400SM 05-21

DRZ400SM 05-21

every detail of the design

it offers greater capacity than stock without compromising ergonomics and includes required hardware for specific installation steps

BACK PROTECTOR certified EN 1621-2:2014 level 2

Helps reduce lever breakage in a crash

BOYESEN 94-01 YZ80 BOYESEN RAD BLOCK RAD-30A kits-jersey-nitro DRZ400SM 05-21Boyesen Rad Valve RAD 30A RAD30A 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