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 time, this retainer can fatigue and break, causing chips to flow through the oil system, back into the tank and can causing significant damage along the way.
Fitment:
Harley Davidson FLFBS Fat Boy 114 Base 2018
Harley Davidson FLFBS Fat Boy 114 Base 2019
Harley Davidson FLFBS Fat Boy 114 Base 2020
Harley Davidson FLFBS Fat Boy 114 Base 2021
Harley Davidson FLHCS Heritage Classic 114 Base 2018
Harley Davidson FLHCS Heritage Classic 114 Base 2019
Harley Davidson FLHCS Heritage Classic 114 Base 2020
Harley Davidson FLHCS Heritage Classic 114 Base 2021
Harley Davidson FLHR Road King Base 2017
Harley Davidson FLHR Road King Base 2018
Harley Davidson FLHR Road King Base 2019
Harley Davidson FLHR Road King Base 2020
Harley Davidson FLHR Road King Base 2021
Harley Davidson FLHRC Road King Classic Base 2017
Harley Davidson FLHRC Road King Classic Base 2018
Harley Davidson FLHRC Road King Classic Base 2019
Harley Davidson FLHRXS Road King Special Base 2017
Harley Davidson FLHRXS Road King Special Base 2018
Harley Davidson FLHRXS Road King Special Base 2019
Harley Davidson FLHRXS Road King Special Base 2020
Harley Davidson FLHRXS Road King Special Base 2021
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2017
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2018
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2019
Harley Davidson FLHTK Ultra Limited Base 2017
Harley Davidson FLHTK Ultra Limited Base 2018
Harley Davidson FLHTK Ultra Limited Base 2019
Harley Davidson FLHTK Ultra Limited Base 2020
Harley Davidson FLHTK Ultra Limited Base 2021
Harley Davidson FLHTKL Ultra Limited Low Base 2017
Harley Davidson FLHTKL Ultra Limited Low Base 2018
Harley Davidson FLHTKL Ultra Limited Low Base 2019
Harley Davidson FLHTKL Ultra Limited Low Base 2020
Harley Davidson FLHX Street Glide Base 2017
Harley Davidson FLHX Street Glide Base 2018
Harley Davidson FLHX Street Glide Base 2019
Harley Davidson FLHX Street Glide Base 2020
Harley Davidson FLHX Street Glide Base 2021
Harley Davidson FLHXS Street Glide Special Base 2017
Harley Davidson FLHXS Street Glide Special Base 2018
Harley Davidson FLHXS Street Glide Special Base 2019
Harley Davidson FLHXS Street Glide Special Base 2020
Harley Davidson FLHXS Street Glide Special Base 2021
Harley Davidson FLTRU Road Glide Ultra Base 2017
Harley Davidson FLTRU Road Glide Ultra Base 2018
Harley Davidson FLTRU Road Glide Ultra Base 2019
Harley Davidson FLTRU Road Glide Ultra Base 2020
Harley Davidson FLTRX Road Glide Base 2017
Harley Davidson FLTRX Road Glide Base 2018
Harley Davidson FLTRX Road Glide Base 2019
Harley Davidson FLTRX Road Glide Base 2020
Harley Davidson FLTRX Road Glide Base 2021
Harley Davidson FLTRXS Road Glide Special Base 2017
Harley Davidson FLTRXS Road Glide Special Base 2018
Harley Davidson FLTRXS Road Glide Special Base 2019
Harley Davidson FLTRXS Road Glide Special Base 2020
Harley Davidson FLTRXS Road Glide Special Base 2021
Harley Davidson FXBRS Breakout 114 Base 2018
Harley Davidson FXBRS Breakout 114 Base 2019
Harley Davidson FXBRS Breakout 114 Base 2020
Harley Davidson FXDRS FXDR 114 Base 2019
Harley Davidson FXDRS FXDR 114 Base 2020
Harley Davidson FXFBS Fat Bob 114 Base 2018
Harley Davidson FXFBS Fat Bob 114 Base 2019
Harley Davidson FXFBS Fat Bob 114 Base 2020
Harley Davidson FXFBS Fat Bob 114 Base 2021

