Feuling 7021 Race Series Oil Pump M8 Harley Davidson 17-24 Twin CooledFeuling 7021 Race Series Oil Pump M8 Harley Davidson 17 24 Twin Cooled Increased oil volume from the larger gears and properly sized passages along with the pressure relief valve seat and seal from these oil pumps is essential for proper oiling system function Eliminate common pressure and scavenge issues associated with the factory oiling system Precision machined pressure relief valve and bore Each oil pump is bench tested, the relief valve is