MAHLE 3021282 Performance Piston Ring Set Bore Napier Steel - 4.150 1.0mm

The MAHLE 3021282 is a high-performance piston ring set designed for precision engine builds requiring a 4.150-inch bore diameter. This professional-grade ring set features advanced Napier steel construction on the second ring for enhanced durability and superior oil control in demanding applications.

Key Specifications:

• Bore Size: 4.150 inches
• Ring Width: 1.0mm (top ring)
• Radial Wall Thickness: 0.136 inches
• Second Ring Material: Performance Napier steel
• Ring Profile: Plain face design
• Complete ring set for one piston

Performance Features:

• Napier steel second ring provides excellent oil control and wear resistance
• Precision-manufactured to strict tolerances for optimal compression sealing
• Plain ring face reduces friction while maintaining effective sealing
• Designed for high-performance and racing applications

MAHLE is a leading OEM supplier known for precision-engineered engine components. This ring set delivers the quality and performance required for professional engine builds, whether for street performance, racing, or engine rebuilding applications.