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Ignitions and Electrical› Ignition Components
NGK
NGK IX Iridium Spark Plug Box of 4 (TR55IX)
SKU: N003 7164
Easy — 1–2 hours
Overview
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Part #: 7164
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
Vehicle Symptoms
- engine misfire at idle
- hesitation under acceleration
- rough running engine
- poor fuel economy
- check engine light flashing
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
- P0301 – Cylinder 1 misfire Det
- P0302 – Cylinder 2 misfire Det
- P0303 – Cylinder 3 misfire Det
- P0304 – Cylinder 4 misfire Det
- P0305 – Cylinder 5 misfire Det
- P0306 – Cylinder 6 misfire Det
- P0307 – Cylinder 7 misfire Det
- P0308 – Cylinder 8 misfire Det
Relevant Conversations
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- NGK 7164 TR55IX gap setting
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- spark plug misfire at idle cold start
- NGK Iridium IX review 2024
- rough idle after spark plug replacement
- spark plug torque specs for aluminum heads
- car hesitates when accelerating spark plugs
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | NGK |
| Part Number | N003 7164 |
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