I just posted about the seal kit.
Raybestos Brake Master Cylinder Kit MK1624 at $58.99 total with 30 day refund buyer pays return shipping.
"At the moment there is a RAYBESTOS MK1624 seal kit on the popular auction site with the funny seals mentioned by rustystud for under 60 bucks. Perhaps this seal kit is for the dual brake MC I don't know."
If I needed a seal kit for an AF dual brake MC I would just buy it to see if it is the correct seals.
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Well I went ahead and bought this kit. It is the wrong one. Not only that but it doesn't have all the parts shown in the picture and the seals are "not" blue silicone like pictured. I contacted the seller after buying it and ask what was up here. He told me that "yes the seals are all just regular rubber" . No silicone seals, which our dual master cylinder Deuce uses.
Here's some picture's of what I received.