Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 06-14-2006, 12:40 AM
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what is the casting number either 806 or 908 (could be read either way they aren't installed) go to? How much should i ask for these heads... They are brand new never installed
Old 06-14-2006, 02:42 AM
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5.3 or 4.8 Should have about a 1.890" intake and 1.550" exhaust valve. Also the chambers are about 61 cc's very small. Might try Ebaying them but dont think your gonna get more than 2 bills for them!
Old 06-14-2006, 07:54 AM
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The 806 should be 97-98 perimeter bolt LS1 heads.
Old 07-09-2006, 03:28 AM
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yep, I have 806 castings on my 98 Z28.




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