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That is lowest profile adapter I've seen . But any rise is too much rise is our problem . Oh well . I like this other carb option here though . Or are you saying this eBay carb pattern is not the same ?Progressive bolt pattern is a 1/2" wider than the bbd bolt pattern so you need to find, alter, or make an adapter.
BBD pattern is 3 1/4" wide.
Progressive pattern is 3 3/4" wide, or there abouts.
Here is an adapter style: this is the fun part.
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Make, buy or alter, it's your call.
We have made them like this in the past where there is more room. Worked Great.
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BBD intake pattern below
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Copy and Paste it.
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