Carrillo 4.0345 Bore 1/16 Diesel HV 385 Top Ring *Single Ring*

This product is a single top piston ring designed for diesel engines with a 4.0345 inch bore. It's part of the 1/16 Diesel HV 385 series, intended for specific engine builds where precise ring sizing and material properties are critical for performance and sealing.

Carrillo is known for making well-built internal engine components. This particular ring is designed to provide a solid seal between the piston and cylinder wall, which is essential for maintaining compression and preventing blow-by in a diesel application. The 'HV' designation often refers to specific material or design characteristics aimed at handling the higher pressures and temperatures found in diesel combustion.