I haven't had good faith in Ac Delco plugs for a longtime. Maybe switch brands and go to a colder range?
They look like Iridium type. They should go for at least 100K miles.
they are Iridium and are the OEM plugs that came in the truck ....
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You can register using your Google, Facebook, or Twitter account, just click here.I haven't had good faith in Ac Delco plugs for a longtime. Maybe switch brands and go to a colder range?
They look like Iridium type. They should go for at least 100K miles.