Designed specifically for use with RSD wheels Feature aluminum carrier with a 420 stainless steel outer band Contrast Cut carriers start with a black anodized finish that is then re-cut to open up the design Wide rear wheels require special 11.5" rotors with a 2.50" i.d. flange; NOTE: 11.5" rotors will fit 1984-99 applications if used in conjunction with spacer and PM calipers.