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S&S Cycle Valve Spring Kit Item # 280123
Description
Features:
- 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 1.860"
- Seat Force 178lb
- Force at Max Lift 376lb
- Max RPM 6500
- S&S recommends roller rocker arms be used with lifts over .585"
- Fits 7 mm valve stems
Part Numbers for S&S Cycle Valve Spring Kit
Fitment for Parts S&S Cycle Valve Spring Kit
This part fits the following vehicles:
