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Old 08-05-2010, 12:07 AM   #5
Jim_PA
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Join Date: May 2005
Location: PA
Posts: 2,696
Re: big block chevy headers?

Ok, so center to center on my LSx style exhaust manifold gaskets is right about 4.5" -- anyone know what the center to center measurement is on a std. BBC manifold gasket???
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