MAHLE 3030859B Performance Oil Ring Assembly Bore - 4.045 2.0mm Chrome

The MAHLE 3030859B is a premium performance oil ring assembly designed for precision engine builds requiring a 4.045-inch bore diameter. This oil ring set features a 2.0mm radial width with a .113-inch (approximately 3mm) ring width, engineered to deliver optimal oil control in high-performance applications.

Key Features:

• Chrome-faced ring construction for superior wear resistance and durability
• 4.045-inch bore diameter for precise fitment
• 2.0mm radial width oil ring design
• .113-inch ring width (RW) specification
• Standard tension design for reliable oil control
• Performance-grade construction from MAHLE's Motorsport division
• Engineered for racing and high-performance street applications

MAHLE oil ring assemblies are manufactured to exacting tolerances using premium materials, ensuring consistent performance and longevity in demanding engine environments. The chrome facing provides excellent scuff resistance during break-in and long-term durability under high heat and load conditions. This ring set is ideal for engine builders seeking professional-grade components for custom piston and cylinder combinations.