They use the standard OEM Brake pad sizing for Subaru, which is common to other OE Brembo systems (Can be referenced in the Brembo attachments). This typically also applies to the 4pot/2pot Brembo GT system
See attachments
Project Mu shape code:
- Front - F906 & F506
- Rear - R906
WVA code:
- Front - 23092 or 23325
- Rear - 21580 or 23323
Attached Brembo pdfs also show information about approximate pad width, height, thickness, though I'm sure there is some allowable play in the exact dimensions among parts makers
- Front: 131.8 W x 77.3 H x 15 Thk [mm]
- Rear: 76.6 W x 65.4 H x 14.3 Thk [mm]