are these heads ls1 or ls6
#1
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are these heads ls1 or ls6
http://store.summitracing.com/partde...5&autoview=sku
also are these the same on patriot site for sale
also are these the same on patriot site for sale
#2
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Looks like ls1 castings that have had a stage 2 port job. They also sell ls6 castings like this that will have the d shaped exhaust ports. I think they are even on sale right now; try a search.