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Ford Racing 0-Degree Spark Plugs (08-10 GT)

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(set of 8)
  • Item #50373
  • MPN# M-12405-3V12mm

  • Market Price $101.99
  • You Save 12% ($12.00)
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  • Perfect for Nitrous and Force Inducted Engines
  • Colder Heat Range
  • 12mm Thread Pattern
  • Fits 2008-2010 GT and Bullitt Mustangs w/ Brown Coil Boots
  • Sold as a Set of 8
More Power. When adding power adders like nitrous, superchargers, or turbos to your Pony you need the correct spark plug to maximize horsepower. That is where Ford Racing "0-Degree" Spark Plugs come into play, these plugs are specifically designed for applications that require a one step colder heat range.

Legendary Ford Racing Performance. Add performance parts to your Pony made by the people who know it best. Ford Racing's legendary quality and performance ensure these 0-Degree Spark Plugs will deliver the consistent results you need to tune for maximum power.

Application. This set of eight (8) Ford Racing 0-Degree 12mm Spark Plugs are specifically designed as an upgrade for nitrous or force inducted 2008 to 2010 GT and Bullitt Mustangs equipped with Brown coil boots only.

Identifing Your Coils. Engines with late style 12MM spark plugs can be identified by coil engineering number

8L3E printed on the coils. Engines with early style 16mm "High Thread" design spark plugs can be identified by coil engineering number


Fitment: 2008 2009 2010 Details

What's in the Box
  • (8) Spark Plugs
Installation Info
Will it fit my Mustang?
  • Bullitt - 08, 09
  • GT - 08, 09, 10

Intended for use with nitrous, turbo, or supercharged applications

Customer Photos

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2 Questions / 1 Answers

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How would these work on my GT? I have an 08 GT with no nitrous or force induction...will there be any difference if i put these on my GT?


  • yes, I installed in my 09' , What a difference, More power, starts first try. Excellent Plug for the $$$$


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I ordered the 50373 plugs for my 07 GT can I use them? 07 GT 4.6


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