BOYESEN 97-98 YZ250 BOY.RAD.VALVE RAD-34D Helmet GTS 300 Joymax

GTS 300 Joymax

Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower Provides significantly more mid-range punch and top-end speed for most models Core trade-in not required so you can keep the original camshaft Adjustable cam sprockets come with some models Excellent bottom end Improved throttle response Uses stock auto-decompression

Used in every application from Motorcycles   & much more

engineered to deliver the optimal combination of protection

Flash Point °F 280

BOYESEN 97-98 YZ250 BOY.RAD.VALVE RAD-34D Helmet GTS 300 JoymaxBoyesen Rad Valve RAD 34D RAD34D 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