Description
NGK’s ZFR4F-11 spark plugs deliver the thermal stability serious racers and high-performance builds demand, maintaining optimal combustion across aggressive heat ranges without fouling or pre-ignition issues. Whether you’re pushing forced induction or running a naturally aspirated engine at the edge of its limits, these plugs provide the reliability and longevity needed for consistent power delivery. Built with premium materials and precision engineering, they’re the choice for drivers who refuse compromise.
- High alumina ceramic construction
- Superior heat dissipation properties
- Deep-seated copper core
- Nickel alloy tip
- Extended service life
- Wide operating heat range
- Resists fouling
- Prevents pre-ignition
- Improved electrical insulation
- MPN: 4043
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