Kits include KPMI« or equivalent valve spring kit, a full set of Black DiamondÖstainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listed All valves are impregnated by a special process to a depth of .002ö with a surface buildup of .0002ö This process improves wear properties, reduces friction and provides resistance to corrosion and wear Compatible with leaded and unleaded fuelsò Sold as complete kits for one engine Made in the U.S.A Sold as complete kit for one engine. VALVEKT COMP88-03EVO/1200