Yes, an adaptor is all thats needed for rear calipers to fit. Vdubengineering can take the guess work out of getting the adaptors to fit... as they make them (as well as many others). (I gotta quit putting these shameless plugs on here
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans
1962 SC 1776cc SP 944NA brakes, 993 wheels
VKG