Looking for an upgrade for your LML Duramax? Check out the Mahle 224-3935WR-0.25MM Piston Set With Rings. This piston is designed with a coated skirt and .25mm oversized bore to give you the durability and performance you need. Plus, it comes with rings so you can install it right away. Get this piston and enjoy the improved performance of your Duramax today.