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The Green Spark Plug Company£10.42Visit shop Ngk Tr7ix 96090 Spark Plug Iridium Ix New Ngk-Tr7ix
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The NGK Iridium IX Spark Plug (TR7IX) is designed for automotive enthusiasts and performance-minded drivers looking for a reliable upgrade over standard OEM spark plugs. By utilizing a 0.6 mm fine-wire iridium center electrode, these plugs provide an incredibly consistent spark and improved ignition efficiency, resulting in better throttle response and smoother engine operation; however, users should be aware that these are high-performance plugs that may require specific heat range compatibility checks based on their engine's modifications.
| Model Part Number | NGK-TR7IX |
|---|---|
| Brand | NGK |
Yes, but use extreme caution. The fine-wire iridium electrode is delicate and can be damaged if a standard gapping tool puts too much pressure on the tip.
They are usually set to a standard gap at the factory, but you should always verify the gap against your engine's manual before installation.
While they last longer than standard plugs, the interval depends on your driving habits and engine modifications. Typically, they offer an extended service life compared to nickel plugs.
Yes, they can be used in stock engines to improve idle quality and starting reliability, though they are engineered to excel in high-performance or tuned applications.
NGK spark plugs come with a trivalent metal plating that acts as an anti-seize, so applying additional grease is generally not recommended.
Verify that the spark plug wires or ignition coils are fully seated and that the correct heat range was chosen for your engine setup.
Check that the plug gap is set to the manufacturer's specification and ensure no carbon buildup is present on the porcelain insulator.
Before installation, always verify that the TR7IX heat range matches your engine manufacturer's specifications or your tuner's requirements. When installing, use a torque wrench to ensure the plugs are tightened to the manufacturer's recommended torque settings. Do not attempt to re-gap the iridium tip aggressively, as the fine-wire center electrode is fragile; if the gap needs adjusting, use a spark plug gap tool with extreme caution. Avoid using anti-seize on the threads if the plugs are plated, as NGK typically uses a metal plating that resists seizing in aluminum cylinder heads.
