Hi guys I wondered if anyone could give me pointers on which Mazda 929 brake master cylinder is the upgrade for the FD? I've seen one for the RX7 gen 2 and also one for the Cosmo. Are they the same or different? Which is the one to use to upgrade the FD master cylinder?

Thanks!

 

Not sure if the years are different on the 929's but commonly used is 1993 Mazda 929 master cylinder part # HG31-43-400G (ABS version)