ProX Honda CRF450X CRF 450X 2005-2016 Steel Intake Valve & Spring Upgrade Kit

ProX Steel Intake Valve Upgrade Kit (28.SIS1405-2)

Bike Fitment:

• Honda CRF 450X 2005
• Honda CRF 450X 2006
• Honda CRF 450X 2007
• Honda CRF 450X 2008
• Honda CRF 450X 2009
• Honda CRF 450X 2010
• Honda CRF 450X 2011
• Honda CRF 450X 2012
• Honda CRF 450X 2013
• Honda CRF 450X 2014
• Honda CRF 450X 2015
• Honda CRF 450X 2016

Specifications:

• This ProX kit includes steel valves for increased durability and less wear under extreme conditions.
• Nitrided valves offer high microhardness while a super smooth finish reduces friction between stem and guide.
• The valves are accompanied by stronger valve springs that deal with the extra weight of the steel valves.
• Springs are made from premium Chrome Vanadium Steel for high performance and durability under high RPM.
• Fully compatible with OEM retainers, bases and seals without the need of any further engine modifications.
• Comes as a complete package for quick, easy and cost effective solution.