MAHLE 3030821B Performance Piston Ring Set Bore Low Tension - 4.065 2.0mm Chrome

The MAHLE 3030821B is a high-performance piston ring set engineered for precision engine builds requiring a 4.065-inch bore diameter. This premium ring assembly features a 2.0mm low-tension oil ring design with a .113-inch radial wall thickness, optimized to reduce friction while maintaining superior oil control in high-performance applications.

Key Specifications:

• Bore diameter: 4.065 inches
• Oil ring width: 2.0mm
• Radial wall thickness: .113 inches
• Low-tension design for reduced friction and improved horsepower
• Chrome-faced top ring for enhanced wear resistance and durability
• Performance oil ring assembly for high-RPM applications

MAHLE piston rings are manufactured to OEM specifications and beyond, utilizing advanced materials and coatings to deliver exceptional sealing, longevity, and performance. The low-tension design minimizes friction losses while the chrome finish provides superior resistance to wear and scuffing in demanding engine environments. Ideal for performance rebuilds, racing applications, and high-output street engines.