BOYESEN RAD VALVE 00 KX250, BLOCK RAD-12E, RAD12E Gloves Engineworx Gasket Kit (Top Set)

Engineworx Gasket Kit (Top Set) Yamaha YZ250F 01-13 WR250F 01-13

HRD: GS 50

Kawasaki - ZRX1200 S - 2002

Heavy-duty springs intended to reduce slip under sustained load

FX 350 19-22

BOYESEN RAD VALVE 00 KX250, BLOCK RAD-12E, RAD12E Gloves Engineworx Gasket Kit (Top Set)Boyesen Rad Valve RAD 12E RAD12E 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