The factory oil control valve on all oil cooled M8 engines regulates the amount of oil flowing to the oil cooler/heads. The stock assembly includes a check ball retainer that is formed steel. Over...
20 percent flow increase on supply side and 52 percent flow increase on scavenge.This Part Fits:YearMakeModelSubmodel2018-2020Harley-DavidsonFLDE Deluxe 107Base2018-2021<