Seller notes

This is a brand new set of 2 standard size black nitride intake valves for Harley big twin shovelhead motors from 1966 through 1984. Fits all Harley models that use HD part #s 18074-66 or 18075-80. These valves are marked with the later 18075-80 part number because they are the later style nitrided valves rather than plain steel valves. 1980 is when Harley started requiring nitrited valves from their suppliers to handle the unleaded fuel that came on the market and that was causing galling probl...

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