Checked out good they both have alum. Tubes.one at 600. One at 750. Also have a pair of gm 18degree heads that has a race missing no valves but do have shalf td rockers and bars and two piece intake 800. Do have a sb2.2 intake ported and valley pan and valve covers for 700.All this racing stuff is from a buy out of two people that have quit racing will be listing more soon 2177818396 kevin text ok
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