Hastings Mfg Piston Rings - Twin CAM 1800 STD Size Moly — Harley-Davidson Road King, Electra Glide Ultra Classic, Softail Heritage Classic (1999-2017)

Hastings Mfg piston rings for Twin CAM 1800 engines in standard bore size with moly coating. Three-piece oil rings designed to work with OEM and Screaming Eagle pistons, made in the USA.

Features

• Moly-coated compression rings
• Three-piece oil ring design
• Works with OEM and Screaming Eagle pistons
• Made in the USA

Specifications

• Brand: Hastings Mfg
• Manufacturer Part #: 2M5299
• Engine: Twin CAM 1800
• Bore Size: Standard
• Ring Type: Moly
• Length: 5 in
• Width: 1.37 in
• Height: 5 in
• Weight: 0.23 lbs

Fitment

Fits Twin CAM 1800 V-twin engines. Important: TC 113" and 883 XL models require two sets per bike (one per cylinder); all other TC applications ship as a two-piston set.

Frequently Asked Questions

Do I need one or two sets for my bike?

Most Twin CAM 1800 models ship as a two-piston set. However, TC 113" and 883 XL riders must order two sets—one per cylinder.

Are these compatible with Screaming Eagle pistons?

Yes — these rings are designed to work with both OEM and Screaming Eagle pistons.

What's the difference between Cast and Moly rings?

This is the Moly option. Moly coating offers improved wear resistance and is favored for high-performance builds.

Are these made in the USA?

Yes — Hastings Mfg manufactures these rings in the United States.