Engine & Performance
S&S CycleHeavy Duty Valve Spring Kit for 2017-Up M8 Models
✓ Verified fit for your 2026 Fat Boy 117
About this part
High-performance conical single-wire valve spring kit for cams up to .605in lift; springs, top collars, keepers, bottom collars/seals.
Options that fit your bike
- Standard kit$395.95