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.
Hey guys ive seen this hashed out many times ,but i am putting a ls6 engine together new block and heads . I have the gm 6.0 head gaskets 9227 do i need to put any copper spray on these or is that just for the cometics gaskets?