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.
This may sound stupid but which way do LS1 heads bolt on with 5 holes in rear and 4 holes in front or 5 holes in front and 4 holes in rear, in regards to accessory bolt holes.