Fueling HP+ lifters high flow hydrailic roller lifters stock and modified twin cam motors. sold as a set of 4 (standard bore) designed by Jim Fueling p/n 4000
Source: Custom Chrome
High-flow, standard bore hydraulic roller lifters provide increased oil flow to the top end. Fit Twin Cam 88® engines from 1999 to present. CNC-machined and precision-ground. Increases critical oil flow to valves, springs, rockers, shafts and valve guides. Cooler oil and reduced wear. Extends life of top end valve gear. Recommended for use with the Super Pump by Feuling. Drop in replacement for stock lifters. Dyno developed and track tested!