Mahle Rings 4.2500 Bore Dia 1/16in Edge Width Grey Iron THG Second Ring Plain Ring Set

When you're rebuilding the top end of your engine, getting the piston rings seated correctly is crucial for sealing and performance. These Mahle OE piston rings are designed for a 4.2500 inch bore, ensuring a proper fit for your engine's cylinders. They are made from grey iron, a material known for its durability and good wear characteristics in this application.

This set includes the second ring, which plays a key role in controlling oil consumption and helping to scrape excess oil from the cylinder wall. The 1/16 inch edge width is a standard dimension for this type of ring, and the plain finish means it's ready to install without special coatings. Mahle is a well-known name in engine components, and these rings are a solid option for getting your engine back to spec.