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243 Heads Complete

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Old 09-19-2013, 12:25 PM
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Default 243 Heads Complete

Category: Accessories
Price: $450
Part Fits: 93-02 Chevrolet Camaro, 93-02 Pontiac Firebird
Location (State): TX
Item Condition: Used
Shipping Information: Item Can be Shipped
Engine: LS1/LS6
LS Engine?: Fits LS Engine

Up for sale are a set of 243 Heads, they have 22k miles on them. Comes with stock rockers, valves & springs. They came off a C5 corvette and are untouched and have not been modified. The heads are clean and have no damage to them, they are not cracked or anything. The reason for selling the heads is because the car was sold. (These were posted a while back but the buyer backed out and I never had a chance to repost them.)

Asking Price: $450 + Shipping

Shipping is not included, and paypal can be sent as friend/family or pay the 3% fee.

Call 956-373-6095
Attached Thumbnails 243 Heads Complete-nick1.jpg   243 Heads Complete-nick2.jpg  
Old 09-19-2013, 05:12 PM
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pms responded
Old 09-19-2013, 05:51 PM
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Were these off a Z06 LS6? Sodium filled valves? If so, very interested. Put me in line.
Old 09-19-2013, 09:42 PM
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No sorry, these do not have the sodium valves. It's hard to find those and the price is higher then this so it's kinda hard to pay more for a small difference in weight from the stock and sodium valves.
Old 09-20-2013, 08:20 AM
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bump it up
Old 09-20-2013, 11:48 AM
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I'm confused then. The 243's only came on the Z06 C5, which would have the sodium valves. If these were untouched????
Old 09-20-2013, 11:58 AM
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Default 243's

Originally Posted by IRNMADN
I'm confused then. The 243's only came on the Z06 C5, which would have the sodium valves. If these were untouched????
Sodium filled valves on the C5 Z06 and with regular valves on the C6 LS2 engines.
Old 09-20-2013, 12:02 PM
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Originally Posted by IRNMADN
I'm confused then. The 243's only came on the Z06 C5, which would have the sodium valves. If these were untouched????
243's came on a wide variety of engines besides the vette, IE 5.3's, 4.8's, ect. only the sodium filled valves came on the C5Z IIRC.

bump for good price
Old 09-20-2013, 01:08 PM
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Originally Posted by IRNMADN
I'm confused then. The 243's only came on the Z06 C5, which would have the sodium valves. If these were untouched????
Lol, ok. I've seen silverados, CTS-Vs, grand prix GXPs, Impala SS, etc with 243 heads on them from the factory.

Originally Posted by sick_tight
243's came on a wide variety of engines besides the vette, IE 5.3's, 4.8's, ect. only the sodium filled valves came on the C5Z IIRC.

bump for good price
The 04-05 CTS-V LS6 also had the sodium filled valves.

I have a set of valves I'd be willing to part with if anyone is interested.
Old 09-20-2013, 01:42 PM
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Not questioning the seller so don't take it that way. For starters, he said they came off a C5. Only the Z06 had the LS6 with 243 heads. I know the LS2 had the same heads without the valves but he didn't say they came off an LS2 or a C6 Corvette. So that's why I asked.
And I have never heard of the 243 heads coming on 5.3L/4.8L engines. Not saying they didn't but I have never heard that. Wouldn't the compression ratio drop even more on a 5.3L with 243 heads?
Old 09-20-2013, 01:57 PM
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Originally Posted by Compressor Surge
The 04-05 CTS-V LS6 also had the sodium filled valves.
see i knew id be proven wrong. haha

Originally Posted by IRNMADN
Not questioning the seller so don't take it that way. For starters, he said they came off a C5. Only the Z06 had the LS6 with 243 heads. I know the LS2 had the same heads without the valves but he didn't say they came off an LS2 or a C6 Corvette. So that's why I asked.
And I have never heard of the 243 heads coming on 5.3L/4.8L engines. Not saying they didn't but I have never heard that. Wouldn't the compression ratio drop even more on a 5.3L with 243 heads?
dont worry man, i was just letting you know that there are a wide range of cars with the 243 heads. just informing you
Old 09-20-2013, 02:09 PM
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Thanks. Wasn't trying to stir the pot. I'm always willing to learn something new. I know the LS6 came in a couple other cars but didn't know the 243 heads were used on other engines other than the LS2. I'm curious about it as i want a set of those heads for my 97' C5 LS1/6 speed. I want to do heads and cam but it's coming down to finding a reasonable priced set of heads. the above price is fine if he was local but shipping is the deal breaker. I have an extra set of 5.3L heads I may just do a light port/polish on and run those.
Old 09-20-2013, 02:21 PM
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A quick search turns up all kinds of info:

Here is a set of 243's on a 5.3 in a Burb:

https://ls1tech.com/forums/generatio...-suburban.html
Old 09-20-2013, 04:21 PM
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no problems here, it's all good. lots of interest but lots of low offers. Price is pretty firm, and wish you were closer too cause these locals here are all offering $200!! lol ridiculous! I got $450 in them and i'm just trying to break even, not trying to make $$$ of them.
Old 09-20-2013, 05:22 PM
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Where are you located?
Old 09-20-2013, 06:52 PM
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Sold to BadBandit69! Thanks ls1tech!



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