Moose Racing M80-80960 Stainless Steel Exhaust Valve and Spring Kit – Compatible with 2004–2018 Yamaha YFZ450 and YFZ450R

Description

This Moose Racing M80-80960 Stainless Exhaust Valve and Spring Kit is an OEM replacement part for 2004-2018 Yamaha YFZ450 and YFZ450R. The stainless steel construction is extremely durable and increases exhaust flow for superior performance.

Features:

• 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 U.S.A.

Fitment –  2009-2018 Yamaha YFZ450R, 2006-2008 Yamaha YFZ450SE, 2004-2018 Yamaha YFZ450, and 2010-2011 Yamaha YFZ450X

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