MAHLE 3021322 Performance Steel Napier Ring Set Bore - 2nd 3.248in 1.2mm

The MAHLE 3021322 is a high-performance piston ring set engineered for precision engine builds requiring exact bore specifications. This specialized ring set features a steel Napier-style second compression ring designed for 3.2480-inch bore applications with a 1.2mm ring width.

Key Specifications:

• Bore diameter: 3.2480 inches
• Ring width: 1.2mm
• Radial wall thickness: 0.135 inches
• Performance steel construction for enhanced durability
• Napier-style 2nd compression ring design
• Plain ring configuration

MAHLE piston rings are manufactured to OE specifications and are trusted by engine builders worldwide for both performance and stock rebuilds. The steel Napier design provides excellent oil control and compression sealing while withstanding the demanding conditions of high-performance engines. This ring set is ideal for custom engine builds, racing applications, and precision engine restoration projects where exact bore sizing is critical.