S&S Cycle Valve Spring Kit

Item # : 280123

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  • Manufacturer: S and S Cycle


S&S Cycle Valve Spring Kit


  • Bee Hive style spring kit.650 lift, largest lift available for late model Big Twin and Sportster models
  • Bolt-on for stock heads with stock valves
  • Includes top collars, bottom collars, springs, shims and valve keepers
  • Designed to reduce the risk of valve float
  • Made in USA
  • Lift .650in
  • Installed Height 1.860in.
  • Seat Force 178lb.
  • Force at Max Lift 376lb.
  • Max RPM 6500
  • S&S recommends roller rocker arms be used with lifts over .585in.
  • Fits 7mm valve stems