HP+ Performance High Capacity Lifters. Fits Twin Cam 1999-2017, Sportster 2000-2021 & Milwaukee-Eight 2017up.

Features & Benefits:-

* Performance hydraulic roller lifters - Set of 4

* Optimized oil flow to top end - valves, springs, rockers, shafts & valve guides, Extends life of top end valve gear

* Dyno developed and track tested, Cooler oil and reduced wear

* CNC machined and precision ground

* Replaces OEM # 18538-99 & 18572-13

Tech Tips:-

* Use an oil can to pump the lifter full of oil prior to assembly.

* Made in the U.S.A.