Hastings Rings 2M4942S Twin Cam Moly Piston Ring Set for Harley FXST/FLST

Standard-size Hastings Rings 2M4942S Twin Cam Moly Piston Ring Set delivers a precise seal for Harley-Davidson Twin Cam engines (1999–2006) with two rings: a moly-coated top compression ring and a chrome oil ring.

Designed to fit Harley-Davidson FLST, FLT, FXD, and FXST models from 1999 through 2006, this set is sold as a pair (two piston rings) and ships as a SET. Crafted in the USA, Hastings rings are built to meet demanding standards of durability and precision for ongoing riding and maintenance.

The moly coating on the top compression ring reduces friction and wear, contributing to longer engine life and smoother operation. Proper piston sealing helps maintain compression, reduces oil consumption, and preserves engine power during rebuilding or routine maintenance.

• Includes two rings (for 2 pistons)
• Top compression ring: moly-coated
• Oil ring: chrome
• UOM: SET
• Country of origin: USA
• Compatible accessory tools included: Piston Ring Installer Plier Tool (16-0628), Ring-O-Matic Ring Compressor Tool Kit (16-0622), Piston Pin Support Plate (16-1164)

Hastings moly piston ring set is standard size. Set includes moly top compression ring and chrome oil ring.

Upgrade your Harley Davidson motorcycle with the Hastings Rings 2M4942S Twin Cam Moly Piston Ring Set, designed specifically for models from 1999 to 2006. This set includes two piston rings, providing a reliable seal for optimal engine performance and efficiency. Crafted in the USA, these piston rings are engineered to meet high standards of durability and precision, ensuring long-lasting performance in demanding conditions. The moly coating on the rings reduces friction and wear, contributing to improved engine longevity and smoother operation. Installation is straightforward with compatible accessory tools included in your purchase, making this set ideal for professional mechanics and DIY enthusiasts alike. Proper sealing of the pistons helps maintain compression, reduces oil consumption, and enhances overall engine power. Whether you’re rebuilding your engine or performing routine maintenance, these piston rings are an essential component for restoring your Harley Davidson’s performance and reliability.

Features:

• Sold as a pair for 2 pistons

• UOM: SET

• Country of Origin: USA

• Accessory Items: 16-0628 - Piston Ring Installer Plier Tool, 16-0622 - Ring-O-Matic Ring Compressor Tool Kit, 16-1164 - Piston Pin Support Plate, 11-1856 - 88 inch Twin Cam Moly Piston Ring Set Standard

Fitment:
Harley Davidson FLST 1999
Harley Davidson FLST 2000
Harley Davidson FLST 2001
Harley Davidson FLST 2002
Harley Davidson FLST 2003
Harley Davidson FLST 2004
Harley Davidson FLST 2005
Harley Davidson FLST 2006
Harley Davidson FLT 1999
Harley Davidson FLT 2000
Harley Davidson FLT 2001
Harley Davidson FLT 2002
Harley Davidson FLT 2003
Harley Davidson FLT 2004
Harley Davidson FLT 2005
Harley Davidson FLT 2006
Harley Davidson FXD 1999
Harley Davidson FXD 2000
Harley Davidson FXD 2001
Harley Davidson FXD 2002
Harley Davidson FXD 2003
Harley Davidson FXD 2004
Harley Davidson FXD 2005
Harley Davidson FXD 2006
Harley Davidson FXST 1999
Harley Davidson FXST 2000
Harley Davidson FXST 2001
Harley Davidson FXST 2002
Harley Davidson FXST 2003
Harley Davidson FXST 2004
Harley Davidson FXST 2005
Harley Davidson FXST 2006