Precision Engineered Hastings 4.020 Bore Piston Rings

Achieve optimal cylinder sealing and maximum horsepower with the Hastings Premium Ductile and Steel Series piston ring set. Designed for high-performance 8-cylinder engines, these rings feature a 4.020-inch bore size with a precise 1.2 x 1.2 x 3.0 mm ring thickness configuration. The file-fit design allows engine builders to achieve the perfect end gap for specific clearance requirements, ensuring consistent compression and oil control under extreme racing conditions.

Key Features and Technical Specifications

• Material: Premium Stainless Steel with Gas Nitride finish for superior wear resistance.
• Bore Size: 4.020 inches.
• Ring Thickness: 1.2mm top, 1.2mm second, 3.0mm oil ring.
• Tension: Standard tension for reduced friction and improved efficiency.
• Application: Ideal for high-output 8-cylinder engine rebuilds.
• Design: File-fit style for custom gap adjustment.

These rings are engineered to withstand the rigors of high-revving environments while maintaining excellent seal integrity. By utilizing advanced gas-nitriding technology, Hastings ensures that these rings provide a hard, durable surface that minimizes friction and maximizes power output. Whether you are building a street machine or a dedicated track car, these rings offer the reliability and performance you demand. Trust GGCRACING for all your high-performance engine component needs.