joeinca, i have the complete 240sx rear brake kit i pulled from my 73, which i replaced with the silvermine kit.
i have; mml adaptor brackets, calipers, caliper hangers, brake flex hoses, ebrake adaptors, rotors, brake pads-used and new hawk hp+ pads, new kvr pads [what mml sells with the kit]. rotors are in great shape and have never been [or needed to be] turned.
let me know if you are interested. kit as i have it would list over $750...