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Cyl Head Quest

johnd

Donation Time
I have two SV cylinder heads - one has a thimble-like insert or plug in the large water hole located in the middle of the bottom of the head while the other just has a hole with no insert. Could somebody please tell me which is correct (or are both correct) and the purpose the insert/plug is supposed to serve. I would like to re-build the head without the plug but am unsure if it would be wise to do so since a part may be missing. See photo. Thanks.
 

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  • Cyl Head.jpg
    Cyl Head.jpg
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agmason54

Donation Time
JA
The plug is called a water jet. I would build the best head and install the jet in that head. All heads came with it. SS sells them....
Am
 
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