Both are 4 piston calipper.
No 740 is with 4 piston calipper. Maybe in first year.
No Amazon.
I think one is with vented disc, the other not.
So: one is P1800E/ES or 140 (and maybe very early 240, I don't know if they where with solid discs), the other is 164 or 240 early
won't match together.
have a nice day, Kay
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