345mm BREMBO 4P Brake System Kit to fit OPEL/VAUXHALL ASTRA and ZAFIRA. A set of quality and powerful products selected by MODOSPORT to provide stunning stopping power for the ASTRA and ZAFIRA. This Stage 2 is made for those who are looking for the highest standards to raise race needs to the next level of high performance. To improve product performance and reliability, MODOSPORT Engineering and Design department uses Finite Element Analysis (FEA) in product design of mounting brackets to simulate and ensure that the design is able to perform to specifications prior to manufacturing. FEA allow us to test and predict how the products react in real-world conditions. This Kit has also been track/road tested. Compatible car models: ASTRA G MK4, ASTRA H MK5, ZAFIRA A, ZAFIRA B. Only fit wheel bolt pattern 5x110.