- Replaces the OEM valves and valve springs
- Steel, nitrided valves for increased durability and less wear under extreme conditions
- Stronger valve springs deal with the extra weight of the steel valves
- Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm
- Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and valve seals
Yamaha -- YZ 250 F -- (2010, 2011, 2002, 2004, 2006, 2009, 2013, 2001, 2005, 2007, 2008, 2012, 2003); Yamaha -- WR 250 F -- (2004, 2007, 2009, 2001, 2003, 2006, 2008, 2005, 2010, 2011, 2012, 2013, 2002); Gas Gas -- EC 250F -- (2010, 2011, 2012, 2014, 2013, 2015); Gas Gas -- EC 300 F -- (2014, 2013, 2015)