Brand New TSP 2.5 LS6 cylinder heads for sale
08-21-2009, 08:02 PM
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Brand New TSP 2.5 LS6 cylinder heads for sale I have a pair of TSP 2.5 LS6 cylinder heads for sale. They are brand new in the box, never installed. They are slightly milled to raise up the compression. I will check when I get home to see how much they were milled. Now the big question everybody is going to ask, why am I selling? I don't really want to but my lease for my Trailblazer SS Daily driver is up and for me to purchase it, the bank is requiring that I put down a little more money than I had anticipated. So unfortunately the heads gotta go. I'm looking to get $1250.00 shipped for these. My loss is your gain!
08-22-2009, 12:01 AM
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I just checked the heads, they have a 10 written on them so they have been milled by 10. TSP told me that on my LS2, I would get about 11.2 or 11.3 compression with these heads. The springs are the PRC double springs good till .660 lift. Unfortunately I can't identify the casting number because TSP shaves this area and stamps it with PRC. 
