Re: Spark Plugs

Posted by Owen_Dyneto On 2011/9/9 8:02:15

Check either your vehicle number or the cylinder head casting number against the data I gave in post #6 to determine the "reach" and therefore the plug required for your cylinder head.

PS - if you're still not clear on this, I suggest you read the Service Counselor which covered this subject:https://www.packardinfo.com/xoops/html/downloads/SC/SC-VOL29NO7.pdf