10% Stronger Clutch Spring. Fits Most Big Twin 1998-2017 with Diaphragm Clutch Spring - Energy One Clutches

* 10% stronger than stock for smooth, positive hand lever engagement

* Perfect for Hot Street or Strokers

* Replaces OEM # 37871-98

Tech Tips:-

* Does not fit FLSS, FLSTFBS and FXSE 2016-2017 or 2013-2016 CVO Touring or FLHTCUL and FLHTKL 2015-2016

* Does Not Fit Touring 2017 Models