MAHLE 3011109B Piston Ring Set Bore Plasma Moly Steel - 4.255

The MAHLE 3011109B is a premium piston ring set engineered for high-performance engine applications requiring a 4.255-inch bore diameter. This professional-grade ring set features advanced materials and coatings designed to deliver superior sealing, durability, and longevity in demanding conditions.

Key Specifications:

• Bore diameter: 4.255 inches
• Ring thickness: 0.0625 inches (1/16")
• Ring width: 0.190 inches
• Top compression ring: Plasma moly steel construction
• Second ring: Bulk moly coating

Features and Benefits:

• Plasma moly steel top ring provides exceptional wear resistance and thermal stability
• Bulk moly coating on second ring ensures optimal oil control and extended service life
• Precision-manufactured to OE specifications for reliable fit and performance
• Designed for both street and performance applications
• MAHLE's proven engineering delivers consistent compression and reduced blow-by

MAHLE is a globally recognized leader in engine components, trusted by professionals and enthusiasts alike. This ring set meets the demanding standards required for engine rebuilds and performance upgrades.