S&S Cycle Piston Ring Sets — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)

S&S Cycle piston ring set for Harley-Davidson engines, engineered to OEM specifications for reliable compression and blow-by control in stock and modified builds. Direct replacement for stock rings or upgrade path for rebuilds.

Features

• S&S Cycle engineering
• Direct OEM replacement specification
• Suitable for stock and modified builds

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 940-0059
• Category: Engine Components / Piston Rings
• Weight: 0.33 lb

Fitment

Fits Harley-Davidson engines. Engineered to OEM specifications for use in stock and modified engine builds.

Frequently Asked Questions

Is this a direct replacement for stock Harley rings?

Yes — S&S engineered these to OEM specifications as a direct replacement for stock piston rings.

Can I use these in a modified or big-bore engine?

Yes. These rings are suitable for both stock and modified Harley builds.

What's included in the set?

Complete piston ring set with all rings needed for engine assembly.

Do I need any special tools to install these?

Piston ring installation requires proper ring compressors and engine knowledge. Professional installation is recommended.