Requirements: 25-24mm thick discs,  disc height of 42mm(25mm thick) or 41mm(24mm thick), inner diameter(inside of hubs) of the discs should at least be 126mm. Standard discs: diameter: 254mm, disc thickness: 18mm, height: 43mm and a inner diameter of 131mm   Known to fit: St202 carriers: Corolla e12 2002- d4d discs: 275mm width, 25mm thick and  height of 49mm: need spacers and longer studs(63mm). Astra1.6 diesel discs?: 280mm width, 25mm thick height 42mm, spigot ring re