OE‑grade Piston Ring Kit for Nissan Engines

This piston ring set restores tight compression, clean combustion, and proper oil control. It seals the combustion chamber, scrapes excess oil from cylinder walls, and moves heat from piston to liner. If your engine shows power loss, oil burn, or hard starting, fresh rings are the cure for a reliable, efficient drive. Built for daily use and spirited runs, it keeps emissions low and fuel economy steady.

How it works ️

The upper rings hold back combustion pressure so the piston can push with full force. The multi‑piece oil ring meters a thin oil film, preventing oil from entering the chamber. Gas pressure loads the rings outward, making a tight seal against the bore’s crosshatch while minimizing friction.

When rings fail ⚠️

• Blue smoke and rising oil use
• Low compression, rough idle, slow accel
• Spark plug fouling, misfire, catalyst damage
• High blow‑by, crankcase fumes, diluted oil

Why choose this kit

• Ductile iron/moly face for long life
• Precise end‑gaps for hot running
• Quick seating on proper hone
• Stable compression, cleaner exhaust

Install notes

Measure bores, de‑glaze or hone, set end‑gaps, stagger joints, follow “TOP” marks, oil lightly, then perform gentle break‑in with varied load.

Compatibility

• Stagea
• Cedric/Gloria
• Laurel