5489 Offenhauser intake

I've always read people just using washers, but shouldnt be hard to press some inserts in to take up the "slack"? Use washers as well just in case?

38 Dodge said

How will this fit on my 64-65 273 if it has been drilled? Would I need inserts or just a large washer over the bolt holes?

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SGBARRACUDA said

From what I understand you just use a quality flat washer.

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