Description
If your Evolution engine is showing signs of wear—loss of compression, scoring, or declining performance—a factory-quality cylinder replacement is the most direct path to restored power and reliability. S&S Cycle’s Evolution cylinders maintain OEM specifications while delivering the durability expected in high-demand applications. This is a core component that demands precision; choosing a trusted manufacturer means the difference between a quick refresh and a long-term solution.
- 3.5″ bore diameter
- Cast-iron liner construction
- Compatible with 80″ engines
- Compatible with 89″ engines
- Stock replacement specification
- Made in the U.S.A.
- Manufacturer part number: 91-7710
