BOYESEN RAD VALVE 03-04 YZ125, BLOCK RAD-33I, RAD-33I RAD-33H Elbow Sleeve and focus for all your

and focus for all your training and competition

clear plastic bolt pocket

YZ250F 08-23

1 x RK 428SB-142 CHAIN

- KTM EXC-F 520 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

BOYESEN RAD VALVE 03-04 YZ125, BLOCK RAD-33I, RAD-33I RAD-33H Elbow Sleeve and focus for all yourBoyesen Rad Valve RAD 33I RAD33I 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