MAHLE 3030793B Performance Piston Ring Set Bore - 4.120 2.0mm Chrome

The MAHLE 3030793B is a high-performance piston ring set engineered for precision engine builds requiring a 4.120-inch bore diameter. This professional-grade ring assembly features a 2.0mm oil ring with .113-inch radial wall thickness and standard tension design for reliable sealing and oil control.

Key Specifications:

• Bore diameter: 4.120 inches
• Oil ring width: 2.0mm
• Radial wall thickness: .113 inches
• Chrome-plated ring face for enhanced wear resistance
• Standard tension design for optimal ring-to-cylinder wall pressure
• Performance-grade construction suitable for rebuilt and high-performance engines

MAHLE piston rings are manufactured to OE specifications and meet strict quality standards for dimensional accuracy and material consistency. The chrome plating provides superior durability and reduced friction, making this ring set ideal for performance applications where reliability and longevity are critical. Commonly used in custom engine builds, performance rebuilds, and racing applications requiring precise bore sizing.