When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
depending upon the years of the heads, you may or may not find A.I.R. passages for the emissions equipment. if you don't need the passages they can be plugged. if you need the passages for testing and/or visual inspection and they aren't there, you could have a problem...