Description
- .650" lift Bee Hive springs for late-model Big Twin and Sportster engines
- Bolt-on design for stock heads and valves
- Reduces valve float for improved high-RPM performance
- Complete kit includes springs, collars, shims, and keepers
- Made in the USA and designed for up to 6,500 RPM
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:
