MOOSE OFFROAD - Valve and Spring Kit - Yamaha WR450F | YZ450F - M80-80960

Valve and Spring Kit - Yamaha WR450F | YZ450F • Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves • Extend the life of the valve train and intake components by as much as 4x over the OEM titanium parts • Valves are designed to not only offer the best life span over OEM, but also designed to flow and perform better than OEM components • Components are 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