BOYESEN RAD VALVE 87-93 KX250, RAD-12 Decal Engineworx Crankshaft Bearing and Seal

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BOYESEN RAD VALVE 87-93 KX250, RAD-12 Decal Engineworx Crankshaft Bearing and SealBoyesen Rad Valve RAD 12 RAD12 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 or