As JPM71 says the one w/two holes goes on the first 2 intake bolts on the drivers side. However,the one with a single bolt hole mounts on the rear face of the passanger side head, right next to the distributer. There is an acessory bolt hole there just like on the front face of the head.
It is said that if the intake is cast (LS5)the lift brackets should be chevy orange, and if the intake is aluminum (LS6)they should be bare steel due to the way the engines were painted at the factory. Sounds like your putting a nice one together!
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