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GReddy Spark Plugs are designed for cooler heat ranges to reduce heat and chances of pre-ignition. Iridium Tune Spark Plugs are ideal for mildly tuned engines, factory turbocharged engines or bolt on turbo kit equipped vehicles. PRO Iridium Plugs are ideal for high horsepower, high boost applications and new Long Reach types are good for certain engines like that of the 350Z.
Sold as singles.
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| L Type, heat range 7 (long reach 26.5mm for VQ35 eng.) |
| $21.75 |  | 13000167 | | L Type, heat range 8 (long reach 26.5mm for VQ35 eng.) |
| $21.75 |  | 13000168 | |
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