CUSTOM VALVES
- DEL WEST
- XCELDYNE
- MANLEY
- KIBBLEWHITE
- AV&V
- VANCE & HINES
Yamaha® YZ™ 450F 2014-2019 Yamaha® YZ™ 450FX 2016-2020 Yamaha® WR™ 450F 2016-2021
+1mm O/Size on 2010-13 Models
Yamaha® YZ™ 450F 2014-2019 Yamaha® YZ™ 450FX 2016-2020 Yamaha® WR™ 450F 2016-2021
+.5mm O/Size on 2010-13 Models
HONDA
CRF150R 2007-2015
HONDA
CRF450R 2009-2015
HONDA
CRF450R 2009-2012