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Professional File Fit Hastings 4.000 Bore Piston Rings

For engine builders who demand exact tolerances, the Hastings 4.000 bore file fit piston ring set is the ultimate choice. These rings, sized at 5/64 x 5/64 x 3/16 inches, allow for precise end-gap adjustment, ensuring optimal seal for high-performance and forced induction applications. The plasma moly coating provides the ideal balance of durability and low friction.

Advanced Features for Builders

• File Fit Design: Allows for custom ring end-gap clearance to suit specific high-performance requirements.
• Plasma Moly Face: Superior wear resistance and excellent oil control for high-RPM stability.
• High-Strength Steel: Engineered to withstand the increased cylinder pressures of performance engines.
• 8-Cylinder Compatibility: Complete kit designed for standard V8 engine configurations.

Precision is the key to a successful engine build. By choosing file-fit rings, you gain the ability to dial in your ring gaps to match your specific piston-to-wall clearances and power goals. This Hastings set ensures that your engine maintains maximum compression and minimal blow-by, even under heavy load. The plasma moly coating is renowned for its ability to seat quickly while maintaining a long service life, making it a favorite among professional engine builders. Whether you are building a street-strip machine or a dedicated track car, these rings provide the customization and reliability you need to succeed. Experience the GGCRACING difference in engine performance today.