Full set of Black Diamond stainless steel standard size valves for engine applications listed
All valves are impregnated by a special process to a depth of .002in. with a surface buildup of .0002in.
This process improves wear properties, reduces friction and provides resistance to corrosion and wear
Compatible with leaded and unleaded fuels
Sold as complete kits for one engine
Made in the U.S.A.
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