What do I have

IMG_20190519_151621674.jpg IMG_20190519_151717984.jpg IMG_20190519_143838831.jpg Bought a 70 Duster last week . Guy had got the 73 up front disc brake hardware(used). Its a pin style caliper but the rotors I don't recognize I ran some #'s and came up with nothing. Could this be from a C body. Also look at brake pad picture. Anyone silicone
Their brake pads?IMG_20190519_151740786.jpg