What's the difference in an ss promax 1 piece plate and a 260 or 280 one piece adapter plate?
Found out that the early ss promax's had a 2 piece adapter plate. Mercury than switch to the 1 piece plate, promax specific only.
Found out that the early ss promax's had a 2 piece adapter plate. Mercury than switch to the 1 piece plate, promax specific only.
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