Originally Posted by WRXBrakes
This is for installing STi rear Brembo calipers on a R160 rear hub that has a backing plate that accepts Subaru 1 pot sliding calipers.
Most commonly it would be for 02-05 USDM WRX's that have STi takeoffs in front and have too much front brake bias.
It would also fit many Forresters, Legacies, Baja's and older GC cars.
please keep us posted.