I think these might be good.

cema93 · 2013-07-24 19:47:15

please see this TSB (https://mustangforums.com/mustang-tsb/View-TSB/Year-2007/Model-Mustang/TSB-08-7-6/SPARK-PLUG-REMOVAL-INSTRUCTIONS-4.6L-3V-5.4L-3V-6.8L-3V.html) in regards to spark plugs for 05 to pre-08 GT's.

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07-26-2013, 01:30 AM

#11

yellowneck86

2nd Gear Member

Join Date: Oct 2007

Location: Ca

Posts: 247

please see this TSB in regards to spark plugs for 05 to pre-08 GT's.

07-26-2013, 03:18 AM

#12

moosestang

6th Gear Member

Join Date: Sep 2006

Location: Gainesville, FL

Posts: 11,278

Quote:

Originally Posted by cema93

How do u know that moosestang? Why wouldn't they work for me?

It says 08-10 in the description on American muscles website. The 08's have a different head design. Just buy motorcraft plugs. If you are really worried about them breaking, then just loosen and tighten them every 15-20,000 miles or so.