Description
NGK CR8EH-9 spark plugs are engineered for demanding applications where thermal stability and consistent ignition are non-negotiable. Whether you’re tuning a high-compression engine or running variable load conditions, these plugs deliver the heat range flexibility to prevent fouling at low RPM and preignition at peak power. Built with premium materials and proven NGK reliability, they’re the choice when performance depends on precision combustion.
- High alumina ceramic construction
- Improved heat dissipation
- Deep-seated copper core
- Wide operating heat range
- Nickel alloy tip
- Extended plug life
- Prevents fouling issues
- Resists preignition
- Superior electrical insulation
- MPN: 5666
- Universal fitment application
- Bolt-on installation
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