MAHLE 3021365B Performance Piston Ring Set Bore Steel Napier - 3.805 1.0mm

The MAHLE 3021365B is a high-performance piston ring set engineered for precision engine builds requiring a 3.805-inch bore diameter. This professional-grade ring set features a steel Napier-style second ring design that provides superior oil control and combustion sealing in demanding applications.

Key Specifications:

• Bore Size: 3.805 inches
• Ring Width: 1.0mm
• Radial Wall Thickness: 0.136 inches
• Second Ring Type: Steel Napier design
• Style: Plain ring set configuration

Performance Features:

• Steel Napier second ring delivers enhanced oil control and reduced friction
• Precision-manufactured to exacting tolerances for optimal ring seal
• Plain ring design allows for custom gapping to specific application requirements
• Performance-oriented construction suitable for high-output engine builds

MAHLE is a globally recognized leader in engine components, known for producing OEM-quality and performance aftermarket piston rings. This ring set is designed for engine builders and professional technicians who demand precise fitment and reliable performance in custom engine applications.