MAHLE 3021242 Performance Piston Ring Set Bore Napier Steel - 4.160 1.0mm

The MAHLE 3021242 is a high-performance piston ring set engineered for precision engine builds requiring a 4.160-inch bore diameter. This professional-grade ring set features a premium Napier steel second ring design, delivering enhanced durability and wear resistance in demanding performance applications.

Key Specifications:

• Bore Size: 4.160 inches
• Ring Width: 1.0mm
• Radial Wall Thickness: 0.136 inches
• Second Ring Material: Napier steel construction
• Ring Face: Plain ring design

Performance Features:

• Napier steel second ring provides superior strength and heat resistance
• Precision-machined to OEM specifications for optimal ring seal
• Plain ring face design for reliable sealing performance
• Engineered for high-performance and racing applications

MAHLE is a globally recognized leader in engine components, trusted by professional engine builders and performance enthusiasts. This ring set is manufactured to exacting tolerances, ensuring proper compression sealing, oil control, and long-term durability in rebuilt and performance engines.