MAHLE 3030855B Performance Piston Ring Set Bore Oil Ring NHRA Pro Stock - 4.755 2.0mm

The MAHLE 3030855B is a high-performance plain ring set engineered specifically for NHRA Pro Stock racing applications. This precision-manufactured ring set features a performance oil ring assembly designed for 4.755-inch bore diameter engines with exacting tolerances required for professional drag racing.

Key Specifications:

• Bore diameter: 4.755 inches
• Oil ring width: 2.0mm
• Radial wall thickness: 0.129 inches
• Gas nitrided steel (GNS) construction for superior wear resistance
• NHRA Pro Stock approved design
• Plain ring configuration for maximum performance

Performance Features:

• Gas nitriding process creates an extremely hard surface layer that resists scuffing and wear under extreme cylinder pressures
• Precision-engineered ring geometry optimizes oil control and reduces friction
• Pro Stock specification ensures compliance with NHRA technical requirements
• Manufactured to tight tolerances for consistent ring seal and maximum horsepower

MAHLE's motorsport piston ring technology brings decades of racing experience to deliver the durability and performance demanded by professional engine builders. This ring set is designed for high-RPM, high-compression race engines where every horsepower matters and component reliability is critical.