Description
NGK’s LMAR8C-9 spark plugs deliver the thermal stability serious racers and high-performance builds demand, maintaining optimal combustion across a wide operating range without fouling or preignition issues. The deep-seated copper core and nickel alloy tip design extends plug life while handling the extreme conditions of forced induction and high-RPM applications. Whether you’re tuning a street machine or running competitive events, these plugs provide the reliability and performance consistency that separates marginal builds from winners.
- High alumina ceramics
- Improved heat dissipation
- Deep-seated copper core
- Wide heat range capability
- Nickel alloy tip
- Extended service life
- Fouling prevention design
- Preignition resistance
- MPN: 93833
- Versatile operating range






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