MAHLE 3030854EB Performance Piston Ring Set Bore NHRA Pro Stock - 4.750

The MAHLE 3030854EB is a high-performance piston ring set engineered for professional racing applications, specifically designed to meet NHRA Pro Stock specifications. This precision-machined ring set features a 4.750-inch bore diameter and is built to withstand the extreme demands of competitive motorsports.

Key Features:

• 4.750-inch (120.65mm) bore diameter for large-displacement racing engines
• 2.0mm gas-nitrided steel (GNS) oil ring expander for enhanced durability and tension control
• Plain ring design optimized for maximum ring seal and reduced friction
• NHRA Pro Stock approved for professional drag racing competition
• Manufactured to MAHLE's exacting OEM and racing standards
• Performance oil control system designed for high RPM applications

This ring set is engineered for professional engine builders and serious racers who demand consistent performance and reliability under extreme cylinder pressures and temperatures. MAHLE's advanced metallurgy and precision manufacturing ensure optimal ring seal, reduced blow-by, and maximum horsepower output in purpose-built racing engines.