Help Please
Thread Starter
Instructor
Joined: Jun 2010
Posts: 215
Likes: 4
From: Parker Colorado
Help Please
Decided to change the spark plugs but cant seem to fing the AC 904 but can get the AC 14. I was told the 904 are double platinum and the 14 are single platinum is there any difference ??? Your help is always appreciated.
Melting Slicks
Joined: May 2007
Posts: 2,075
Likes: 109
From: Longmont Co
http://www.amazon.com/ACDelco-41-904...1366794&sr=1-1
they list these as both 41 and 904. The description says double platinum.
they list these as both 41 and 904. The description says double platinum.
