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Generation III Internal Engine 1997-2006 LS1 | LS6
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cylinder head casting numbers

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Old 11-06-2004 | 05:57 PM
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Default cylinder head casting numbers
my stock 02 WS6 casting number is 241 and i just bought a set of heads that are 853 castings are these just assembly numbers or do they represent something.
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Old 11-06-2004 | 06:14 PM
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241's flow better than 853's. 241's are from 01/02 cars. 853's are from 99/00 cars.
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Old 11-07-2004 | 01:27 AM
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Well that is in stock form. ported, I'm sure it wouldn't matter.
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