Hastings Mfg Piston Rings - Twin CAM 1690 OS .005 Moly — Harley-Davidson Road King, Electra Glide Ultra Classic, Softail Heritage Classic (1999-2017)

Hastings Mfg piston rings for Twin Cam 1690cc engines in .005 oversize with moly coating. Three-piece oil ring design pairs with OEM and Screaming Eagle pistons for reliable ring seal and oil control. Made in the USA.

Features

• Moly-coated for reduced friction
• Three-piece oil ring design
• Compatible with OEM and Screaming Eagle pistons
• Made in the USA
• Set covers two pistons (see fitment note for TC 113" and 883 XL exceptions)

Specifications

• Brand: Hastings Mfg
• Manufacturer Part #: 2M4941005
• Size: Twin Cam 1690cc .005 oversize
• Coating: Moly
• Length: 5 in
• Width: 1.37 in
• Height: 5 in
• Weight: 0.24 lbs

Fitment

Fits Twin Cam 1690cc V-twin engines. Important: TC 113" and 883 XL rings are sold per cylinder — you must order two sets per bike.

Frequently Asked Questions

How many rings are in a set?

One set covers two pistons (one complete engine). TC 113" and 883 XL require two sets per bike.

Will these work with my Screaming Eagle pistons?

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

Are these moly or cast rings?

This part number is moly-coated. Cast versions are available under a different part number.

Do I need to order two sets for a TC 113" or 883 XL?

Yes — TC 113" and 883 XL rings are sold per cylinder, so you must order two sets for a complete engine rebuild.