Counterfeit ACDelco Plugs

[Mooseman]

The new ones I got from RA did not have the three dots nor a protective sleeve. I sure hope I didn't get screwed again

 

[mrrsm]

Here is a GM TSB on the *Specs* changes made to the Spark Plug Gap "At The Factory" during the switch between the "Old Platinum Tip Design" and the "New Iridium Tip Design" that should NOT to be changed or fiddled with thereafter on a wide range of 2002-2004 GM and GMC Vehicles:

03-06-04-060B Chevrolet Ignition System Technical Service Bulletin

03-06-04-060B Chevrolet Ignition System Technical Service Bulletin

www.tsbsearch.com