Features: Performance hydraulic roller lifters dyno developed and track tested. CNC-machined and precision ground. Extends life of top end valve train. Made in the USA. Can be used for OEM replacements.. Increases critical oil flow to valves, springs, rockers, shafts and valve guides when used with Feuling® oil pump.. Requires removal of rocker covers and rocker arm supports for installation when using one piece pushrods.. Not for RH Sportster..
