ProX Honda CRF450R CRF 450R 2002-2008 Steel Intake Valve & Spring Upgrade Kit

ProX Steel Intake Valve Upgrade Kit (28.SIS1403-2)

Bike Fitment:

• Honda CRF 450R 2002
• Honda CRF 450R 2003
• Honda CRF 450R 2004
• Honda CRF 450R 2005
• Honda CRF 450R 2006
• Honda CRF 450R 2007
• Honda CRF 450R 2008

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.