MAHLE 3030844B Performance Oil Ring Assembly 4.190" x 2.0mm Low Tension Chrome

The MAHLE 3030844B is a high-performance oil ring assembly designed for precision engine builds requiring a 4.190-inch bore diameter. This three-piece low tension oil control ring features chrome-plated steel rails with a 2.0mm nominal assembled width and .113-inch radial wall thickness, engineered to deliver optimal oil control while minimizing friction losses.

Key Features:

• 4.190-inch bore diameter for custom and oversized piston applications
• 2.0mm assembled width oil ring assembly
• .113-inch radial wall thickness
• Low tension design reduces friction for increased horsepower
• Chrome-plated steel rails provide superior wear resistance and oil scraping
• Three-piece construction with top rail, bottom rail, and expander/spacer
• Optimized expander design allows for improved oil drain-back

MAHLE performance oil rings are engineered using advanced piston ring simulation and computer development tools to minimize friction while maximizing cylinder wall sealing. The precision-manufactured chrome faces on the steel rails deliver exceptional durability and consistent oil control throughout the engine's operating range, making this assembly ideal for high-performance street and racing applications.