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FS- LS6 243 Heads with 921 springs

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Old 05-13-2009, 05:24 PM
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Default FS- LS6 243 Heads with 921 springs

I picked these up from a fellow member and I'm considering a slightly different route. I have too much going on to jack with these right now. They are ready to bolt on for the additional HP over the stock LS1 heads or you can have them ported for a little more HP. I have a good hook up on port work/milling if needed. These are the actual ZO6 heads with the sodium filled valves. They already have low mileaged (appx 8000) Comp 921 springs installed on them.

I'll sell them for $500.00. Please don't bother with lower offers. If they don't sell, I will just keep them until I'm ready to start my new project. I've seen several people post looking for these, so I thought I'd make them available for someone that needs them now.










Last edited by TXCAMSS; 05-13-2009 at 07:07 PM.
Old 05-13-2009, 05:33 PM
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where u located?
Old 05-13-2009, 05:41 PM
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I'm located in Pasadena near Laporte/Deer Park.
Old 05-13-2009, 07:25 PM
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PM sent
Old 05-14-2009, 01:05 PM
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How much will these gain me over stock ls1 (99) heads. I think they are the 853 casting.
Old 05-14-2009, 01:09 PM
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HOW MUCH FOR THE SPRINGS??? shoot me a pm!
Thomas
Old 05-14-2009, 08:56 PM
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Originally Posted by edzsilverss
How much will these gain me over stock ls1 (99) heads. I think they are the 853 casting.
supposedly with a stock LS6 head you should pick up about 25hp, and you are correct, the stock 99 head is an 853 casting
Old 05-14-2009, 09:05 PM
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off subject but I bought a set of 243 heads what are the best springs to get?
Old 05-14-2009, 10:19 PM
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Originally Posted by 00blueLS1
off subject but I bought a set of 243 heads what are the best springs to get?
Whichever springs that fit your needs are the best.
Search on springs dude you'll learn a lot.
Old 05-15-2009, 05:23 AM
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willing to ship?? if so could you tell me how much shipped to 79549??

Thanks,Britt
Old 05-15-2009, 10:50 AM
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Sorry guys. The heads are sold.

Thanks for the interest!




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