Mahle Rings 4.190in Bore Dia 1/16in PC479 Top Rings Plain Ring Set

If you're rebuilding the top end of your engine, getting the right piston rings is crucial for proper sealing and performance. These Mahle OE top rings are designed for a 4.190-inch bore, ensuring a good fit for many common engine builds. They feature a plain ring design, which is a straightforward and reliable choice for many applications.

Mahle is a well-known name in engine components, and these rings are built to meet OE specifications. This means they're made to the same standards as the parts that originally came with your vehicle. The 1/16-inch thickness for the top ring is a standard size that works well in many piston designs, helping to create a solid seal against the cylinder wall. This helps prevent combustion gases from escaping and oil from entering the combustion chamber, which is key for engine health and efficiency.

When you're putting an engine back together, attention to detail matters. Using rings from a reputable brand like Mahle gives you confidence that you're installing parts that will perform as expected. Remember that these rings are not CARB approved and cannot be shipped to California.