I'am wanting to purchase Motorcraft TT4 sparkplugs, I've tried all parts houses to no avail. They are a bit colder. Or their equivalent.
If you could please let us know a little about yourself, Than post this add in the Classifieds wanted section, Welcome to the hamb.
Google is your friend. http://www.sparkplug-crossreference.com/convert/MTRCRFT_PN/TT4 Sent via Illinois Bell Telephone Company's Car Radiotelephone