MAHLE 3030891 Performance Oil Ring Assembly 4.620in x 3/16in Chrome

The MAHLE 3030891 is a high-performance oil ring assembly engineered for precision engine builds requiring a 4.620-inch bore diameter. This professional-grade ring set features a 3/16-inch (0.1875-inch) width with a 0.170-inch radial wall thickness, designed to deliver optimal oil control and cylinder sealing in high-performance applications.

Key Specifications:

• Bore diameter: 4.620 inches
• Ring width: 3/16 inch
• Radial wall thickness: 0.170 inches
• Standard tension design for reliable sealing
• Chrome-plated finish for enhanced durability and wear resistance
• Performance oil ring assembly configuration

MAHLE's chrome plating provides superior resistance to wear and scuffing while maintaining excellent oil control characteristics. The standard tension design ensures proper ring-to-cylinder wall contact for effective sealing without excessive friction. This oil ring assembly is ideal for performance engine rebuilds, racing applications, and high-output street engines where precise oil control is critical for maintaining optimal compression and preventing blow-by.