Hastings Mfg Piston Rings - Twin CAM 1753/ 1917 .010 Moly — Harley-Davidson (1999-2017)

Hastings Mfg piston rings for Twin CAM engines in .010 Moly material, designed for V-twin motorcycles including Harley-Davidson. Three-piece oil ring set engineered to work with OEM and Screaming Eagle pistons, manufactured in the USA.

Features

• Moly construction for durability
• Three-piece oil ring design
• Compatible with OEM and Screaming Eagle pistons
• Made in the USA
• Sets sold for two pistons (except TC 113" and 883 XL — see fitment

Specifications

• Brand: Hastings Mfg
• Manufacturer Part #: 2M5157030
• Material: Moly
• Length: 5 in
• Width: 1.37 in
• Height: 5 in
• Weight: 0.26 lbs

Fitment

Fits V-twin motorcycles with Twin CAM engines. IMPORTANT: For TC 113" and 883 XL models, this part is sold per cylinder — you must order two sets per bike.

Frequently Asked Questions

How many ring sets do I need to order?

Most Twin CAM models need one set (covers two pistons). TC 113" and 883 XL require two sets — one per cylinder.

Will these work with my stock Harley pistons?

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

What's the difference between Cast and Moly rings?

Hastings offers both Cast and Moly options. Moly rings are harder and last longer in high-performance builds.

Are these made in the USA?

Yes — Hastings Mfg manufactures these rings domestically.