Chevy 305 heads

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bucket

bucket

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Geoduck said:
As I understand it most came from trucks.
Jim makes an important point. Many of those heads have developed cracks. I bought from a trusted automotive cylinder head machine shop to ensure no cracks or other issues.
Click to expand...

'96-up trucks.

Imho, they mostly all crack. 99% of the time, it's insignificant and it doesn't hurt the operation or the longevity.
 
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