Brand New Part # 20-23150 Kibblewhite Black Diamond Engine Valve Kit Fits Harley 2005-2017 Twin Cam Models Kits include KPMI or equivalent valve spring kit, a full set of Black Diamondstainless 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 .002 with a surface buildup of .0002 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