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Dyna Glide ModelsSuper Glide, Super Glide Sport, Super Glide Custom, Dyna Glide Convertible, Super Glide T-Sport, Dyna Glide Police, Dyna Switchback, Low Rider, Street Bob, Fat Bob and Wide Glide.
I think that's the same backing plate I had. Not sure if it was stock or P&A, but it was under a football cover with a K&N filter (and Mikuni HSR42) when I bought the bike.
There is a Mikuni-supplied adapter that slips on the carb inlet to let it work with the three bolt filters. I still have the backer somewhere. I'll try to remember to dig it up tomorrow.
I believe the support bracket gets sandwiched between the adapter and backer.
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