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Ford Performance 0-Degree Spark Plugs (05-08 GT)

AmericanMuscle no longer carries the Ford Performance 0-Degree Spark Plugs (05-08 GT). Please check out 2005-2009 Mustang Spark Plugs and Spark Plug Wires for an updated selection.
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Features, Video & Details

  • Perfect for Nitrous and Force Inducted Engines
  • Colder Heat Range
  • 16mm Thread Pattern
  • Sold as a Set of 8
  • Fits 2005-2008 GT's

Review & Installation Video

Review & Install Video

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 16mm Spark Plugs are specifically designed as an upgrade for nitrous or force inducted 2005 to 2008 GT Mustangs with the stock 3 valve 4.6L modular engine.

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 3L3E.

Fitment: 2005 2006 2007 2008 Details

MPN# M-12405-3V0

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

What's in the Box
  • (8) Spark Plugs
Installation Info
Tech Specs
Will it fit my Mustang?

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Questions & Answers (7)

5 Top Rated Questions

Ok to run on n/a cars? Although these plugs are designed for forced induction are they ok to run on n/a cars as well?

  • These plugs are a colder plug meant for higher cylinder pressures. While it might run in your N/A engine, there is a possibility of missing under throttle or they simply might not make optimal horsepower.

Helpful (1) Show 2 more answers

So I am going to be installing these with MSD blaster coils and a Roush m90 supercharger. How should i gap these?

  • The gap is going to be different depending on how much boost you are running/planning to run, so we recommend consulting with your tuner on what would be best for your application.

Helpful (0)

Are these the one piece like the Autolite ones?

  • The Ford Performance 0-Degree Spark Plugs are not a one piece design.

Helpful (0)

How should I gap these to go with bolt on mods and a 75-100 shot of Nos? Or should I leave them like they come?

  • The Ford Performance 0-Degree Spark Plugs come pre gapped, but gap should always be checked on a plug before installing. With the modifications done to the car, gap may need to be adjusted to accommodate for the nitrous, slightly closing the gap unless aftermarket coils are installed.

Helpful (0)

Can these spark plugs handle a 150 shot of nitrous?!

  • The Ford Performance 0-Degree Spark Plugs (05-08 GT) would be able to handle a 150 shot of nitrous. These plugs are perfect for forced induction or nitrous.

Helpful (0)
Post Your Question
2 More Questions
Are they helpful if I only have a stock engine? I'm planning on putting some basic mods in my 05 GT, but no Nos, turbo, or supercharge any time soon, so would they still work good with a stock engine? 1 answer
What's the gap set at? I mean right out of the box, what gap are these? Same as stock plugs? 1 answer

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Customer Reviews (54) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Afternoon

Installation Cost:$100-$250

  • Performance Gain 4.196078 4.2
  • Fit 4.882353 4.9



  • 5/5

    Installation Time: Afternoon

    January 24, 2019

    Work like a charm

    Couldn't be happier with the product. The job stunk however. Notoriously, the 4.6L 3V 2-piece plugs, even when following every precaution... gave me fits. 3 broke in spite of my coddling. Got it done though. Matched with the Sultans of Spark Coil Packs and the old '07 perked right up again.

    Street2

    Year: 2007 Submodel: GT

    Helpful (0)

  • 5/5

    Installation Time: Less than 1 Hour

    December 01, 2018

    Worked perfect

    I let my old plugs sit in pb blaster overnight and it went smooth. All done in under and hour

    MatthewS

    Year: 2006 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    August 23, 2018

    Great plug

    Great plug just need to apply a tiny bit of anti-seize compound

    Ron

    Year: 2007 Submodel: GT

    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    August 22, 2018

    Upgraded spark

    As always great product from a great company and distributor..

    Binban

    Year: 2006 Submodel: GT

    Helpful (3)

  • 4/5

    Installation Time: Afternoon

    July 08, 2018

    Nice upgrade to the motor

    Easy install because the old plugs had been replaced before. So no problem with the removal. Install was a breeze.

    EdmundB

    Year: 2006 Submodel: GT

    Helpful (3)

  • 5/5

    Installation Time: Less than 1 Hour

    May 09, 2018

    Good plugs

    Great spark plugs so far only have about 150 miles on them but fixed my issue of a slight miss.

    Keith

    Year: 2006 Submodel: GT

    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    May 09, 2018

    Holy Horsepower Batman

    Definitely got some power back with these plugs in my 06 GT with Procharger.

    ChrisJ

    Year: 2006 Submodel: GT

    Helpful (3)

  • 5/5

    Installation Time: Less than 1 Hour

    March 29, 2018

    They work great

    I have these plugs on a pro charger camed 3v . They work great can't complain at all.

    RonK

    Year: 2008 Submodel: GT

    Helpful (3)

  • 5/5

    Installation Time: Less than 1 Hour

    March 18, 2018

    Nitrous plugs

    These spark plugs work great with nitrous. I put them in and they came out looking brand new after a day at the strip.

    Dalton

    Year: 2006 Submodel: GT

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    February 22, 2018

    These are the plugs period...

    I'm supercharged. I was using HTO plugs they kept going out. I finally switched to ford performance felt the difference. A bit stronger just feels right. Will continue to use. Very pleased

    Garrido8778

    Year: 2005 Submodel: GT

    Helpful (5)

  • 5/5

    Installation Time: Afternoon

    February 15, 2018

    Great for boost

    These work great with boost. You will have to gap them to the recommended setting. For me it was 32. These replaced my HT0 which had 2 out of the 8 randomly misfiring.

    MrCynoT

    Year: 2005 Submodel: GT

    Helpful (4)

  • 2/5

    Installation Time: Less than 1 Hour

    December 16, 2017

    0 degree Ford plugs-2005 Mustang GT

    The plugs were not all gapped where they were supposed to be. I had no way to gap them. Could not find the tool locally to gap them with. Car misses badly.

    Butch

    Year: 2005 Submodel: GT

    Helpful (5)

  • 5/5

    Installation Time: Less than 1 Hour

    December 08, 2017

    Best spark plugs for S197 05-10

    QUite expensive spark plugs, but you really feel the difference between the this and the standard ones. A must have if you have a supercharger/turbocharger or a highly modified engine. You feel the difference just after the installation. Trust me!

    FabrizioS

    Year: 2005 Submodel: GT

    Helpful (6)

  • 5/5

    Installation Time: Less than 1 Hour

    December 04, 2017

    Does racing 0 degree spark plugs.

    Run these in my 07 gt with msd coils. They run great with some bolt ons and a 100 shot of nitrous

    JosephM

    Year: 2007 Submodel: GT

    Helpful (5)

  • 5/5

    November 24, 2017

    Pep in Your Step

    To complete the triangle of forced induction (air), injection (fuel), spark (flame)...these spark plugs will maintain the horsepower increase you're looking to achieve.

    ChrisK

    Year: 2006 Submodel: GT

    Helpful (4)

  • 4/5

    Installation Time: Afternoon

    November 23, 2017

    Fire power

    Plugs seem to keep up with my MSD coil packs. Best to have a pro mechanic install in 4.6 3V GT. Very difficult to remove and install.

    GeorgeW

    Year: 2006 Submodel: GT

    Helpful (4)

  • 4/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    September 12, 2017

    They work

    I went from factory sparkplugs to these and was hoping for a more noticeable improvement considering my factory plugs had 110K miles on them.

    BradR

    Year: 2005 Submodel: GT

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    September 07, 2017

    Perfect

    Bought these to do a tune up and work great car starts right up. Price is good for ford racing products.

    AnthonyG

    Year: 2006 Submodel: GT

    Helpful (4)

  • 5/5

    Installation Time: Weekend

    July 11, 2017

    Ford Performance Plugs

    I bought a used 2007 mustang gt with 103k miles on it. I knew it needed plugs when I bought it. They were horrific to replace. These plugs made a big difference once I got them in. The vehicle started up a little faster and sounded much better.

    Rob

    Year: 2007 Submodel: GT

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    July 05, 2017

    good buy

    Excellent part for my mustang work very well with supercharger for me they are excellent you do not have to calibrate! You finish up faster work

    Edgar

    Year: 2006 Submodel: GT

    Helpful (4)

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