Description
Precision piston rings are critical for maintaining proper combustion chamber seal, oil control, and ring blow-by management in high-performance engines. This 4.055″ bore set delivers the exact tolerances required for forced induction and naturally aspirated builds where ring gap consistency directly impacts power output and engine longevity. File-fit construction allows you to achieve the ideal ring gap for your specific application and fuel combination.
- Bore Size: 4.055″
- Tolerance: +.005″
- Top Ring: 1.0mm
- Second Ring: 1.0mm
- Oil Ring: 2.0mm
- Construction: File-fit rings
- MPN: 4060MS-112
- Fitment: Engine-specific application
- Installation: Professional honing/assembly recommended






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