MAHLE 3030847 Performance Piston Ring Set Bore Oil Ring NHRA Pro Stock - 4.700 2.0mm

The MAHLE 3030847 is a high-performance piston ring set engineered specifically for NHRA Pro Stock racing applications. This professional-grade ring assembly features a 4.700-inch bore diameter with a precision 2.0mm oil ring configuration designed to deliver maximum sealing performance under extreme racing conditions.

Key Specifications:

• Bore diameter: 4.700 inches
• Oil ring thickness: 2.0mm
• Radial wall thickness: 0.129 inches
• Gas nitrided surface (GNS) for superior wear resistance
• NHRA Pro Stock approved
• Plain ring design without coating

Features and Benefits:

• Gas nitriding process creates an extremely hard, wear-resistant surface that maintains ring integrity under high cylinder pressures
• Engineered for high-RPM competition engines where ring stability and oil control are critical
• Plain ring design allows for custom coating or run as-is depending on application requirements
• Manufactured to MAHLE's strict racing tolerances for consistent performance
• Optimized radial wall thickness provides excellent ring stability while maintaining proper tension

This ring set is designed for professional engine builders constructing NHRA Pro Stock engines and other high-performance racing applications requiring precise oil control and maximum durability. MAHLE's motorsports heritage ensures this component meets the demanding requirements of competitive drag racing.