Upgrade your factory lifters/tappets to these high performance versions manufactured by Feuling. Used in many DarkSide motor builds.
- Manufacturer Part No: 4050
- Made from cold headed 1018 steel with heat treated hardened surface
- CNC machined, precision ground & pressure tested
- Designed for use with high lift camshafts & higher spring pressures in performance builds
- Increases valvetrain stability & decreases valve float
- Fits 2017-later Milwaukee 8
- Fits 1999-2017 Twin Cam
- Fits 2000-2021 Sportster
- Kit includes 4 x hydraulic roller lifters/tappets
- Installation may require additional work depending on application
Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.