Upgrade your factory lifters/tappets to these high performance versions manufactured by Feuling. Used in many DarkSide motor builds.

  • Manufacturer Part No: 4000
  • CNC machined, precision ground & pressure tested
  • Designed for use with camshafts offering a higher lift than OEM
  • Increases valvetrain longevity by optimising oil flow to top end
  • 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.