MAHLE 3150078.005 Fire-Power Piston Ring Set Bore Standard Tension - PC479 4.440

The MAHLE 3150078.005 PC479 Fire-Power piston ring set is engineered specifically for high-performance applications including nitrous oxide injected, turbocharged, and supercharged racing engines. This standard tension ring set features a 4.440-inch bore diameter with a +0.005-inch oversize specification, designed to deliver superior performance in demanding motorsport environments.

Key Features:

• PC479 Fire-Power compression rings deliver superior ring durability and stable radial tension
• Engineered to withstand extreme conditions in boosted and nitrous applications
• Provides exceptional combustion sealing and oil control
• Protects cylinder walls while maximizing horsepower output
• Plain ring set design for file-fit applications
• Standard tension configuration balances sealing performance with reduced friction
• 1/16" top ring, 1/16" second ring, 3/16" oil ring configuration

MAHLE's PC479 Fire-Power ring technology represents decades of racing development and computer-aided engineering. These rings are built to extend engine life while delivering the power and reliability demanded by professional engine builders and serious racers. The precision-manufactured ring pack ensures optimal cylinder sealing, enhanced oil control, and consistent performance across a wide range of operating conditions.