SORRY FOR ANY CONFUSION,I HAVE COSSIE DISCS ON FRONT &REAR.THE REAR CALLIPERS ARE 2WD THE FRONT CALLIPERS ARE STANDARD RS TURBO CALLIPERS WITH ADAPTER BRACKET TO RAISE THE CALIPER TO ALLOW COSSIE DISCS TO FIT.THE BRACKET BOLTS IN ORIGINAL CALIPER MOUNTING HOLES.GOT THE KIT FROM (COSSIE CLINT) AT TURBOSPORT .CO.UK.THEY HAVE PICTURES ON THERE FOR STEP BY STEP GUIDE.HOPE THIS HELP.