NGK Iridium IX Spark Plugs for 350Z/G35
Part: NGK LFR5AIX-11
NGK Iridium IX spark plugs for your 2003-06 Nissan 350Z or Infiniti G35 with VQ35DE are a very popular choice for all levels of power and usage. The Iridium technology is ideal for both producing quality spark and withstanding high amounts of heat. Despite more expensive alternatives showing up on the market, these NGK plugs are tried and true and have performed extremely well for our very high horsepower builds.
Heat ranges available:
Stock heat range: For stock or mostly stock vehicles with bolt-ons
1 step colder: For mild forced induction or nitrous use, often in the 100-200hp range over stock
2 steps colder: For extreme forced induction builds, often in the 600hp and above range
These spark plugs are sold in a set of 6 and are made pre-gapped to the most common spec. It is always good practice to double check the gap of your plugs before installing. Please contact us for gap assistance or recommendations.
NGK is an original equipment manufacturer of spark plugs and other ignition components for countless vehicles on the road today. Using this expertise, NGK also offers some of the highest quality aftermarket ignition components as well. Dozens of spark plug options are available for most applications, allowing plenty of options for the right plug for each job.
At Injected Performance, we strive to offer the lowest possible prices. However, we realize that this may not always be the case. If you have found a lower price elsewhere, we will attempt to match that price. Please complete the following form:
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