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Sb chevy headshiperformance

Bt Doctur

Silver Medal Contributor
Trying to id a set of heads on

Trying to id a set of heads on a 4 bolt 350 motor.
heres whats visable. 4 center valve cover bolts but also the 4 holes for a early style valve cover.rocker studs are threaded in similiar to bb motors.castings under the valve cover are:
PRO
S-RT
casting number c23
Thanks
 
"Look at the end of the heads,

"Look at the end of the heads, could be in the front or the back. There should be what one would say humps on them or camel backs. Small hunmp large hump from there it will be easier to say what type of head you have"
 
"Ayuh,...

Donno What you&#3


"Ayuh,...

Donno What you've got,...
Other than they are Definitely Aftermarket....
Those #s are Not Chevy #s..."
 
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