Application- 2013 compatible for Infiniti EX37 3.7L V6 - 2013 compatible for Infiniti FX37 3.7L V6 - 2009-2013 compatible for Infiniti FX50 5.0L V8 - 2008-2013 compatible for Infiniti G37 3.7L V6 - 2011-2013 compatible for Infiniti M37 3.7L V6 - 2011-2013 compatible for Infiniti M56 5.6L V8 - 2014-2016 compatible for Infiniti Q50 - 2014-2015 compatible for Infiniti Q60 - 2014-2016 compatible for Infiniti Q70 V6 3.7L - 2009-2016 compatible for Nissan 370Z 3.7L V6SpecifictionCondition:100% Brand new Reference OE Number:22448EY00A, 22448-EY00A, UF-617, 178-8503, 5C1788 Quantity:One set with 6 pieces （as the picture show） Warranty:one year warrantyFeatureIncreased Ignition Performance --- High voltage output and spark energy Improved Combustion Improved throttle response and smoothness No spark blowout at higher boost Direct fit for factory mountings Solid constructionNoticeNo instruction included; professional suggested. Please double confirm the fitment details and OEM number before purchasing. Please feel free to contact us for whatever we can help for you.