Seller notes

Pro X Steel Intake Valve/Spring Kit 28.SIS2414-2 YAMAHA WR250F YZ250F YZ250FX Details More durable than OEM Reduced clearance adjustment Pro X tappet sets available 21-4N stainless steel valves Kit comes with all valves and valve springs Valves have black nitride coating Heavy duty chrome vanadium valve springs Fully compatible with OEM retainers, bases, and seals Compatibility YAMAHA WR250F 2015–2019YAMAHA YZ250F 2014–2018YAMAHA YZ250FX 2015–2019...

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