BOYESEN RAD BLOCK 87-04 KX500 Quarter turn throttle tube ideal for everyday wear or

ideal for everyday wear or anyone who prefers a cleaner

· Kawasaki KX500Â 1995

KDX 250 83-84

Beta 450 Enduro RR 4T: 2008-2014

BOYESEN RAD BLOCK 87-04 KX500 Quarter turn throttle tube ideal for everyday wear orBoyesen 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