Description
Precision ring sealing is non-negotiable in high-performance engines, and file-fit rings give you the customization needed for tight tolerances and maximum compression retention. JE’s plasma moly coating delivers superior wear resistance under sustained high RPM and boost conditions, critical for forced induction and naturally aspirated racing builds. This complete 8-cylinder set ensures consistent ring performance across all cylinders, eliminating weak points that compromise power delivery and engine longevity.
- Bore size: 4.060″
- Top ring: 1/16″
- Second ring: 1/16″
- Oil ring: 3/16″
- Material: Plasma moly-coated ductile iron
- Oil ring: Three-piece standard tension
- Fitment: 8-cylinder engines
- Ring type: File-fit customizable
- MPN: JEP-J100F8-4060-5
- Application: High-performance racing
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