Part Description
Special wave spring for use with S&S oil pump system (S&S 31-2078) and reed valve crankcase breather
Text excerpt from the catalog:
The S&S cam-drive oil pump system (S&S 31-6503 & 106-3887) is obsolete now, but for those who have one that has a reed valve crankcase breather (S&S 31-2093 or 31-2094) we still have some replacment parts available.