BOYESEN RAD BLOCK 87-04 KX500 Textile CR 500 RJ (1988)

CR 500 RJ (1988)

Pack Weight: 190g (7 oz)

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BOYESEN RAD BLOCK 87-04 KX500 Textile CR 500 RJ (1988)Boyesen Rad Valve RAD 13 RAD13 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