BOYESEN RAD VALVE 04-16 KTM250, BLOCK RAD-42D Screen Insert 125-300 RR 2T 10-23

125-300 RR 2T 10-23

- YAMAHA YZ 450 F 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Helps prevent or reduce clutch slip caused by tired or weak original springs

EC250 4T 10-14

BOYESEN RAD VALVE 04-16 KTM250, BLOCK RAD-42D Screen Insert 125-300 RR 2T 10-23Boyesen Rad Valve RAD 42D RAD42D 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