LS2 Heads
03-02-2007, 10:42 AM
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They are the 243 castings. The only diff from the LS2 and Z06 are the valves. The Z06 has hollow stem intake and sodium filled exhaust valves and they are .06 longer.
03-02-2007, 11:43 AM
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Originally Posted by HEMIETR
They are the 243 castings. The only diff from the LS2 and Z06 are the valves. The Z06 has hollow stem intake and sodium filled exhaust valves and they are .06 longer.
