Moose Offroad Valve Kit Valve Kit - Intake - Yamaha

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Features Stainless steel conversion Extend the lift of the valve train and intake components by as much as 4 times over the OEM titanium parts Designed to flow and perform better t han OEM components Created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software to ensure consistent performance and accurate designs Specifically designed and engineered for each application Made in the USA Specs Product Name Valve and Spring Kit Application Intake Material Stainless Steel Units Kit Riding Style ATV Fitments Position Notes 2004 Yamaha Raptor 660R LE 4x2 - - 2001-2005 Yamaha Raptor 660R SE 4x2 - - 2001-2005 Yamaha YFM660R Raptor - - Show more