MAHLE 3150074-065 Fire-Power PC479 Piston Ring Set 4.310" Bore File-Fit 1/16 1/16 3/16

The MAHLE 3150074-065 is a PC479 Fire-Power performance piston ring set designed for demanding high-output applications including nitrous-oxide, turbocharged, and supercharged engine builds. Sized for a 4.310" + .005" bore, this file-fit ring pak features 1/16", 1/16", 3/16" ring widths and is sold as a complete engine set.

Key Features:

• PC479 Fire-Power ductile iron compression rings deliver superior ring durability, stable radial tension, and exceptional combustion sealing
• Standard tension oil rings provide reliable oil control and cylinder wall protection under high-stress conditions
• File-fit design allows the installer to precisely set ring end gap for the specific application and build requirements
• Precision-ground flanks maximize ring-to-piston groove sealing and reduce blowby
• 1/16" top and second compression rings paired with a 3/16" oil control ring for a proven, traditional performance ring package
• Engineered to withstand the punishment of high-powered race and street/strip applications

MAHLE is the world's largest piston ring manufacturer, with over a century of OE and aftermarket experience. The PC479 Fire-Power ring set is built to the same standards as rings used in the most demanding race applications, netting additional horsepower while extending engine life. Available bore sizes and configurations make these rings a versatile choice for serious engine builders.