These valve spring tins are originally designed by Flathead Power and standard on SandS KN-series engines. Features and benefits are: •Improved design for better oil scavenging and less leaking •Die-cast lower covers can be removed without pressing out valve guides •Improved oil return lines are easy to replace and service •Relatively stock appearance •Work with SandS rocker arms and shafts ZPN782399, SandS high lift valve springs ZPN782746 and SandS stainless steel oil line kit ZPN782740 Stock rocker arms and shafts require modification to be used. SandS high lift valve springs have a smaller than stock inner diameter, thus must be used with SandS valve guides or stock valve guides must be turned down.
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