Does anyone know if the cupra r brembos fit behind standard s3 wheels?
Factory 17" Avus alloys no problems, optional 18" RSTT's allows will need 10mm spacers.
****** do you need longer wheel bolts?
With wheel spacers yes....
<tuffty/>
Does anyone know where I can get new piston seals and dust boots for these calipers from?
Ford Focus RS MK1 Dust Shield Set for the Brembo Caliper - PartBox Performance and Tuning Parts
Genuine brembo duzt seals, inner seals will be nothing wrong with them bud.
They do, but its very close with 330'sThey do no problem mate. Even fit over the 330mm disc version