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GM Vortec heads


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Iron, great condition, painted black, I had a valve job and the intake ports and combustion chambers cleaned up in the springtime, with ~20 hours of total run time since. Including the stock stamped 1.5 rockers, springs, valves, and stock head bolts. I am selling them to go aluminum so I can run more compression.

 

Casting number 10239906

 

Asking $300, open to trades for a good aluminum single plane high rise intake, and some SBC Crane Gold Race 1.6 rocker arms.

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I'm interested in these.

 

Whats the specs on how they flow? (Never used Vortec heads before).

 

I got a 350 I'm interested in putting these on...

 

I do not have any flow numbers for these.

 

I would think that there was a reason GM converted everything over to the Vortecs from the earlier style heads.

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