R32 and TT 3.2 V6.. and Audi A3 3.2v6 use 334mm fronts
Cupra R is 323mm
Audi S3, TT 225 bhp, Golf 4mo, VRs Octy, Golf GTI AUQ 180 bhp and Leon Cupra 180 bhp is 312mm
312mm just fit behind 16". and very powerfull braking on the lighter mk3 shell.
You would need the 6mm spacers to make the calipers fit. we made mine as a 1 piece spacer.. as per pics in my build thread