sbc 305 GM 601 cylinder heads
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sbc 305 GM 601 cylinder heads
Does anyone have info on these GM "601" casting heads that I own? Please let me know if anyone has spring specs,lift specs, flow #'s and why the exhaust valve tips are @ 1/16th inch shorter than the intakes.
Thank you.Heads are 1986 to 1988 I believe.
Roy
Thank you.Heads are 1986 to 1988 I believe.
Roy
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