MAHLE 3021237 Performance Piston Ring Set 4.615in Bore 1/16in Napier Second Ring

The MAHLE 3021237 is a high-performance piston ring set engineered for precision engine builds requiring a 4.615-inch bore diameter. This set features a specialized Napier second compression ring design with a 1/16-inch (0.0625-inch) radial width and 0.170-inch radial wall thickness, making it ideal for performance and racing applications where oil control and combustion sealing are critical.

Key Specifications:

• Bore Diameter: 4.615 inches
• Ring Width: 1/16 inch (0.0625 inch)
• Radial Wall Thickness: 0.170 inch
• Second Ring Type: Napier design for enhanced oil control
• Surface: Plain ring finish
• Application: Performance and racing engines

Performance Features:

• Napier second ring profile provides superior oil control and scraping action
• Plain ring surface ensures consistent sealing across the cylinder wall
• Precision-manufactured to MAHLE's strict tolerances for optimal compression and blowby control
• Designed for high-performance applications where reliability and power output are essential

MAHLE is a leading OEM and aftermarket supplier of piston rings, known for their precision engineering and materials science. This ring set is designed for professional engine builders and performance enthusiasts who demand exacting specifications and proven durability in demanding operating conditions.