MAHLE 3011277B Plasma Moly Piston Ring Set Bore - 4.145

The MAHLE 3011277B piston ring set is engineered for high-performance engine builds requiring a 4.145-inch bore diameter. This premium ring set features advanced plasma-moly steel construction on the top compression ring for exceptional wear resistance and cylinder sealing.

Key Specifications:

• Bore Size: 4.145 inches
• Top Ring Width: 0.0625 inches (1/16")
• Radial Wall Thickness: 0.190 inches
• Top Ring Coating: Plasma Moly Steel for superior durability
• Bulk Moly Ring Set configuration

Features & Benefits:

• Plasma-moly face coating provides excellent scuff resistance during break-in
• Premium steel construction ensures dimensional stability under high temperatures
• Precision-engineered for optimal compression and oil control
• Designed to MAHLE's OE quality standards for reliable performance

MAHLE Original piston rings are manufactured to exacting tolerances and deliver the sealing performance and longevity expected in professional engine rebuilds and performance applications.