Thread: Rectangle port head intake side - picture?
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Old 05-27-2011, 04:38 PM
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Default Rectangle port head intake side - picture?
Hi all,

I am trying to figure out whether my set of 840 heads has been ported on the intake side. The ports look larger than my 291s. Can someone please post a pic or measure the thickness of the wall between the ports?

Thanks, Tony
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