Hastings Rings 2M6958 Piston Ring Set for Harley FXR — 3-5/8" Bore

Designed specifically for Harley Davidson FXR models with a 3-5/8 inch bore, the Hastings 2M6958 piston ring set provides reliable compression and durable wear resistance for engines built 1984–1993. Sold in pairs for two pistons, it’s ideal for a full engine rebuild or targeted repair.

• Bore size: 3-5/8 inch
• Piston count: 2 pistons (set for two cylinders)
• Top ring: moly top compression rings for wear resistance
• Oil ring: chrome oil rings for lubrication and sealing
• Origin: Made in the USA
• Fitment: Harley Davidson FXR models from 1984 through 1993
• Includes: detailed installation instructions
• Accessory tools included: piston ring installer plier tool (SKU 16-0628), Ring-O-Matic ring compressor kit (SKU 16-0622), piston pin support plate (SKU 16-1164)

Designed to match OEM specifications, this set helps maintain compression, reduce oil consumption, and improve engine efficiency during rebuilds or routine maintenance.

Hastings moly piston ring set is for a 3-5/8 inch bore and is sold in sets for 2 pistons. Set includes moly top compression ring and chrome oil ring.

The Hastings Rings 2M6958 piston ring set is designed specifically for Harley Davidson FXR models with a 3-5/8 inch bore, ensuring optimal engine performance and longevity. This set includes moly top compression rings that provide excellent wear resistance and chrome oil rings that ensure proper lubrication and sealing. Crafted in the USA, these rings are engineered for precision and durability, making them a reliable choice for restoring or maintaining Harley Davidson FXR engines from 1984 to 1993. The set is sold in pairs for two pistons, making it ideal for complete engine rebuilds or repairs. For proper installation, consult the detailed instructions available at this link.Accessory Items included are a piston ring installer plier tool (SKU 16-0628), a Ring-O-Matic ring compressor tool kit (SKU 16-0622), and a piston pin support plate (SKU 16-1164), which facilitate accurate and efficient assembly. The Hastings Rings 2M6958 set offers a dependable solution for Harley Davidson enthusiasts seeking quality replacement parts that match OEM specifications and ensure smooth engine operation for years to come.Designed for fitment across a range of Harley Davidson FXR models from 1984 through 1993, this piston ring set is a critical component for engine rebuilding projects. Whether you’re restoring a vintage FXR or performing routine maintenance, these rings help maintain compression, reduce oil consumption, and improve engine efficiency. Trust Hastings Rings for quality and precision in every rebuild.Note: Proper installation and break-in procedures are essential for maximum performance and durability of the piston rings. Always follow the included instructions and consider using accessory tools for best results.

Features:

• Material: Moly top compression rings for durability and wear resistance

• Material: Chrome oil rings for effective lubrication and sealing

• Set includes rings for 2 pistons, ideal for complete engine rebuilds

• Designed specifically for 3-5/8 inch bore Harley Davidson FXR models from 1984 to 1993

• Made in the USA ensuring high quality and reliability

• Includes detailed installation instructions for proper fitting

• Compatible with accessory tools such as piston ring installer plier, ring compressor kit, and piston pin support plate

Fitment:
Harley Davidson FLST 1986
Harley Davidson FLST 1987
Harley Davidson FLST 1988
Harley Davidson FLST 1989
Harley Davidson FLST 1990
Harley Davidson FLST 1991
Harley Davidson FLST 1992
Harley Davidson FLST 1993
Harley Davidson FLST 1994
Harley Davidson FLST 1995
Harley Davidson FLST 1996
Harley Davidson FLST 1997
Harley Davidson FLST 1998
Harley Davidson FLT 1984
Harley Davidson FLT 1985
Harley Davidson FLT 1986
Harley Davidson FLT 1987
Harley Davidson FLT 1988
Harley Davidson FLT 1989
Harley Davidson FLT 1990
Harley Davidson FLT 1991
Harley Davidson FLT 1992
Harley Davidson FLT 1993
Harley Davidson FLT 1994
Harley Davidson FLT 1995
Harley Davidson FLT 1996
Harley Davidson FLT 1997
Harley Davidson FLT 1998
Harley Davidson FXD 1991
Harley Davidson FXD 1992
Harley Davidson FXD 1993
Harley Davidson FXD 1994
Harley Davidson FXD 1995
Harley Davidson FXD 1996
Harley Davidson FXD 1997
Harley Davidson FXD 1998
Harley Davidson FXR 1984
Harley Davidson FXR 1985
Harley Davidson FXR 1986
Harley Davidson FXR 1987
Harley Davidson FXR 1988
Harley Davidson FXR 1989
Harley Davidson FXR 1990
Harley Davidson FXR 1991
Harley Davidson FXR 1992
Harley Davidson FXR 1993
Harley Davidson FXR 1994
Harley Davidson FXST 1984
Harley Davidson FXST 1985
Harley Davidson FXST 1986
Harley Davidson FXST 1987
Harley Davidson FXST 1988
Harley Davidson FXST 1989
Harley Davidson FXST 1990
Harley Davidson FXST 1991
Harley Davidson FXST 1992
Harley Davidson FXST 1993
Harley Davidson FXST 1994
Harley Davidson FXST 1995
Harley Davidson FXST 1996
Harley Davidson FXST 1997
Harley Davidson FXST 1998