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Old Nov 7, 2010 | 09:41 PM
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Bop Bop's Avatar
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From: Mobile Al
Default Cylinder Head Question

Can anyone tell me what series of cylinder heads are on my 2004 LS1 coupe? Are they 241?
Thanks,
Jeff Serebrin
Theodore Al
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Old Nov 7, 2010 | 09:45 PM
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'04 LS1 are 241's LS6 are 243
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Old Nov 7, 2010 | 09:59 PM
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From: Mobile Al
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Originally Posted by HowlinC5
'04 LS1 are 241's LS6 are 243
Many thanks. Getting ready to pull them and have them ported.
Cheers
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