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      11-06-2012, 07:37 PM   #19
Drives: E90 M3, Cayenne T, 991 GT3
Join Date: Jun 2007
Location: Bay Area

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[quote=Gearhead999s;12953007]Now on another Alcon site I find this
Monobloc 4 / 6 piston design for high stiffness (firm pedal) & low weight
Piston bore sizes are staggered to ensure even pad wear
Pin-mounted pads provide low threshold pressure and low noise

Maybe your calipers are not the proper ones or they were manufactured improperly?
This parts list clearly mentions that pistons are all the same size - says 6 x 34.9 at the front and 4 x 31.8 at the back:

Part list for other kits do show stagger. So I guess it was meant that way.
MaxL is offline   Canada
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