Description
NGK LMAR8F-9 spark plugs are engineered for engines running elevated boost levels or aggressive ignition timing where thermal stability is non-negotiable. The wide heat range prevents the common failure modes that plague standard plugs—fouling under light load and pre-ignition under full throttle. If you’re serious about consistent power delivery and reliability across varying operating conditions, these plugs deliver the thermal management your engine demands.
- MPN: 90894
- High alumina ceramic insulator
- Deep-seated copper core
- Nickel alloy tip
- Wide operating heat range
- Superior heat dissipation
- Extended electrode life
- Fouling and pre-ignition resistant
- Improved electrical insulation
- Bolt-on installation






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