MAHLE 3021249B Performance Piston Ring Set Bore Steel Napier - 4.505

The MAHLE 3021249B is a high-performance piston ring set engineered for precision engine building and racing applications. This premium ring set features a 4.505-inch bore diameter and is designed with MAHLE's advanced Steel Napier technology for superior durability and sealing performance under demanding conditions.

Key Specifications:

• Bore Size: 4.505 inches
• Top Ring Thickness: 0.043 inches
• Oil Ring Thickness: 0.135 inches
• Ring Type: Steel Napier THM-13 design
• Ring Wall: Plain (RW Plain)
• Material: Performance-grade steel construction

Features and Benefits:

• Steel Napier design provides excellent heat resistance and wear characteristics
• Precision-machined to tight tolerances for optimal compression sealing
• Engineered for high-performance and racing applications
• MAHLE's proven THM-13 coating technology reduces friction and improves ring life
• Plain ring wall design for specific engine configurations

MAHLE is a globally recognized leader in piston ring manufacturing, trusted by professional engine builders and racers worldwide. This ring set delivers the reliability and performance needed for high-output engines where component quality is critical.