NGK 2309 Iridium Colder Spark Plugs #7 or #6 VQ35DE - Nissan 350Z / Infiniti G35

SKU: NGK6619 - LFR6AIX-11
Regular price $52.00
Heat Range

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For years we searched for the "right" plug for high HP, high boost applications on our own Zs. After testing numerous spark plugs, we found the absolute best plug money can buy.

Heat range of 6 and 7 available.

We recommend 6's for NA and mild F.I. applications and 7's for any or all F.I. applications.

Sold as set of 6