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TSP CNC'd GM LS7 Cylinder Heads

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Old Apr 28, 2010 | 07:41 AM
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Default TSP CNC'd GM LS7 Cylinder Heads

Category: Engine - Intake/Fuel
Price: $1950
Part Fits: 2010+ Camaro, 93-02 Chevrolet Camaro, 93-02 Pontiac Firebird, Corvette, 04-06 Pontiac GTO, 04+ Cadillac CTS-V
Location (State): TX
Item Condition: Used
Shipping Information: Item Can be Shipped
Engine: LS2/LS3/LS7/L92/LS9

I had posted these heads a while back because I was interested in getting back into dirt bikes. I had some great offers, but not THE bike that I wanted. At this point it's better to just get rid of them outright and buy what I want.

Ok here goes...

Originally these heads were on a spare LS7 that I bought for my Z06. I pulled them off and they went to TSP to be CNC'd and have new PRC Gold springs installed. They have the original GM (Del West) Titanium intake valves. I ran them for ~500 miles then pulled them to build an LSX based TT 427. Since Dec. '08 I've been working out of town, so I don't have time to mess with car stuff right now and I doubt I will anytime soon.

After my last For Sale ad I sent these heads to a local machine shop and had the stock sodium filled exhaust valves replaced with a brand new set of stainless valves from TSP. The intake valves are still the original titanium. I also had an extra set of brand new PRC Gold springs, so I had those installed as well. The heads have been resurfaced a few thousandths just to have a good flat deck.

The heads are fresh from the machine shop, still in plastic.

$1,950 plus shipping.

Last edited by Outlaw1; Apr 28, 2010 at 07:42 AM. Reason: Forgot to add instant notification.
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Old May 6, 2010 | 11:09 PM
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Bumparama.
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Old May 7, 2010 | 12:42 PM
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Do you happen to know the chamber size (cc's) after the milling?
Thanks,
-Mike
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Old May 7, 2010 | 01:36 PM
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Awesome deal with the Ti valves!
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Old May 7, 2010 | 07:20 PM
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Originally Posted by GNXClone
Do you happen to know the chamber size (cc's) after the milling?
Thanks,
-Mike
Good question. They were only milled a couple of thousandths to make sure they were nice and flat, not to raise compression. I haven't cc'd them, but they are pretty much stock compression.

Originally Posted by Whistler
Awesome deal with the Ti valves!
Thanks!
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Old May 10, 2010 | 11:20 AM
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All PM's returned.
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Old May 10, 2010 | 10:32 PM
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All PM's returned and added a couple of pics (sorry for the lack of quality). Also, I have a set of ARP head studs that will go for $200 alone, or $150 with the heads.

Something worth noting, the mileage is so low on the heads that you can still see the ink Del West stamp on the valves.







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Old May 10, 2010 | 11:14 PM
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What lift spring do they have in them and are they the 265 port or 285?
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Old May 11, 2010 | 12:16 AM
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Originally Posted by delphigto
What lift spring do they have in them and are they the 265 port or 285?
The springs are the .650 lift setup with titanium retainers and the ports are 265's.
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Old May 12, 2010 | 04:07 PM
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Sent PM. ready to purchase.
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Old May 13, 2010 | 01:15 AM
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All PM's returned.
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Old May 13, 2010 | 11:20 AM
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Check sent! ;-)
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Old May 17, 2010 | 04:33 PM
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Soooooold!

The heads ship out tomarrow!
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