MAHLE 3150140.065 Piston Ring Set File Fit Oversized Bore

The MAHLE 3150140.065 piston ring set delivers professional-grade sealing performance for precision engine builds. This file-fit ring set features MAHLE's proven engineering designed to minimize friction and maximize compression sealing for reliable power output.

Key Features:

• File-fit design allows custom gap adjustment for precise installation
• Pre-lapped rings seat immediately, virtually eliminating break-in time
• Barrel-faced compression rings provide efficient sealing and reduced blowby
• Reverse twist intermediate rings enhance groove side sealing
• CP-20 oil ring assembly with 20-degree ear angle for superior cylinder wall sealing
• Optimized ring tension reduces friction while extending service life
• CNC-controlled gap chamfers optimize compression efficiency

MAHLE piston rings are engineered using advanced computer simulation and development tools to provide maximum performance and durability. The compression ring materials and coatings are specifically optimized for each application, while the special chemical polish on the oil ring expander enhances oil drainback. This ring set represents MAHLE's commitment to quality and installer-friendly design, making it a preferred choice for professional engine builders.