MAHLE 3030790B Performance Oil Ring Assembly Bore - 4.100in 2.0mm Chrome

The MAHLE 3030790B is a high-performance oil ring assembly engineered for precision engine builds requiring a 4.100-inch bore diameter. This premium ring set features a 2.0mm width design with a .113-inch radial wall thickness, providing optimal oil control and cylinder sealing in demanding applications.

Key Specifications:

• Bore diameter: 4.100 inches
• Ring width: 2.0mm
• Radial wall thickness: .113 inches
• Standard tension design for reliable sealing
• Chrome-plated finish for superior wear resistance and durability

MAHLE oil ring assemblies are manufactured to OE standards and are trusted by professional engine builders worldwide. The chrome plating provides excellent scuff resistance and extended service life, while the standard tension design ensures proper oil control without excessive cylinder wall loading. Ideal for performance rebuilds, racing applications, and high-output street engines where quality and reliability are critical.