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View Full Version : ls1 241 heads with ls6 behive springs. 200 obo



nine lives johnny
05-02-2012, 06:09 AM
reason for selling: I upgraded to texas speed's heads.
i guarantee, before i took them off the heads ran fine.
i have not had any overheating or, oil starvation issues.

They come with ls6 yellow beehive valve springs.

https://static1.pt-content.com/images/noimg.gif

https://static1.pt-content.com/images/noimg.gif

http://www.youtube.com/watch?v=ZBauf9W18nY

example of the heads working^

Casting Number 241
Head: 1997+ LS1 5.7 Litre Passenger Car
Material: Aluminimum
Part Number:
12559853 (1997-98)
12559853 (1999-00) (not sure why same PN)
12564241 (2001-03)
Combustion Chamber Volume: 66.67cc
Compression Ratio: 10.1:1
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 2.00 inches
Exhaust Valve Diameter: 1.55 inches

willing to ship. i still have the boxes from the texas speed heads, so these will be packaged well, and protected during shipping.

my location is in Charlotte, NC. local pickups are OK.

price is $200 obo + shipping.

pm's are cool but emails and texts get the fastest responses
cell is: 414-510-7734 text-ok
email is: [email protected]

jorgezee1
05-03-2012, 06:22 PM
interesting, I thought 241 heads where new style casting heads and come with center bolts and not the old style.

Chevy406
05-16-2012, 06:28 AM
These are NOT 241 casting heads. These are 97-98 perimeter cover bolt heads - either 933 or 806 castings. These heads will require the correct perimeter bolt valve covers.

Take a look at YOUR heads and read the casting number then fix your add.