Need performance spark plugs for your Mustang? These HT0 plugs are what we use on all of our performance applications.
One step colder than the factory heat range
High Performance design by Autolite
Great for supercharged, turbo, and nitrous applications
On or around Feb 2008 Ford changed designs of the spark plug. They are a completely different thread than used from 2005 until the transition sometime in 2008. If your 2008 Mustang was built in 2008 you should consult with us before you purchase.