- 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