S Type: These lifters have a very slow leak down and will act like solid lifters maintaining full cam lift at all RPMS, allowing for much more RPM range and higher spring pressures

Street Performance .585 in. Valve Spring Kit for 2005-2017 Twin Cam 88® Big Twins with stock heads (both 7mm) and 2004-Up XL models

Street Performance .585 in. Valve Spring Kit for 1999-2004 Twin Cam 88® Big Twins with stock heads.This Part Fits:YearMakeModelSubmodel1997-2004Harley-DavidsonFLHR Road KingBase1998-2004Harley-DavidsonFLHRCI Road King...

Includes: Springs, Top Collars, Keepers, Bottom Collar/SealsThis Part Fits:YearMakeModelSubmodel2017-2021Harley-DavidsonFLHR Road KingBase2017-2019Harley-DavidsonFLHRC Road King ClassicBase2017-2021Harley-DavidsonFLHRXS Road King...