HASTINGS - 2M6127005/Replacement Piston Rings - Piston Rings - 3.498" + 0.005" - 80" Big Twin

Features

• Includes top compression rings, second compression rings, and oil control rings

   Top Compression Rings are Barrel Face

• Helps in the the heat transfer process between the piston and cylinder wall
• Controls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft

 Second Compression Ring are Reverse Torsional Taper Face

• Promotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy
• Reverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring

 Oil Control Rings are Three Piece Flex Vent

• Three-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore
• Provides uniform pressure through four steel rails and two expanders assuring positive oil control
• Made in the USA

Note

• Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.
• Includes enough rings for two pistons (unless noted).
• Two rings per groove, except for the rails that will be two rail rings per one expander ring.

Kit Includes:

Specs

Fitments

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

General Safety Warning

Failure to follow manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken in collecting accurate fitment information, LeMans Corporation accepts no liability for loss or damage resulting from errors or omissions.