MAHLE 3011040 Gas Nitride Steel Performance Top Compression Ring Bore - 4.600

The MAHLE 3011040 is a high-performance top compression ring designed for precision engine builds requiring a 4.600-inch bore diameter. This premium piston ring features gas nitride steel construction, providing exceptional wear resistance and durability under extreme combustion pressures and temperatures.

Key Specifications:

• Bore Size: 4.600 inches
• Ring Thickness: 0.043 inches
• Radial Wall (RW) Thickness: 0.170 inches
• Material: Gas Nitride Steel
• Type: Plain Top Compression Ring
• Application: Performance and racing engines

Gas nitriding creates an extremely hard, wear-resistant surface layer that maintains ring seal integrity over extended high-performance use. The precision-ground profile ensures optimal cylinder wall contact and sealing, while the specific radial wall dimension provides proper structural support for demanding applications. This ring is engineered for custom engine builds where precise bore sizing and premium materials are essential for maximum power output and reliability.