MAHLE 3011214B Piston Ring Set Bore Plasma Moly Top Ring - 4.140

The MAHLE 3011214B piston ring set is engineered for high-performance engine builds requiring a 4.140-inch bore diameter. This premium ring set features advanced materials and coatings designed to deliver superior sealing, reduced friction, and extended service life in demanding applications.

Key Specifications:

• Bore Size: 4.140 inches
• Top Ring: Plasma moly steel compression ring with 0.0625-inch (1/16") thickness
• Ring Width: 0.190 inches radial wall (RW)
• Moly-faced rings for enhanced wear resistance and break-in characteristics

Features and Benefits:

• Plasma moly coating on top compression ring provides excellent wear resistance and heat dissipation
• Steel construction ensures durability under high cylinder pressures and temperatures
• Precision-engineered ring geometry optimizes cylinder sealing and minimizes oil consumption
• Moly face treatment reduces friction and accelerates proper ring seating during break-in
• Designed and manufactured to MAHLE's OEM quality standards

This ring set is ideal for performance rebuilds, racing applications, and high-output street engines where reliability and consistent compression sealing are critical. MAHLE's precision manufacturing ensures proper fit and function when installed to specification.