What is the bore/piston size on stock MK3 front calipers?

5uprahboy

New Member
Aug 22, 2005
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Auckland
I'm about to change to some Wilwood 4 pots

I've got a larger 1 1/16th Master cylinder

I have a choice of 35mm (1.3778") or 44.5mm (1.7519")

It's been suggested I should go for the larger caliper piston size - but I'd still really like to know what the standard single pot MK3 front caliper piston/bore size is......

Cheers :)

Hunt