Performance Friction Z31 monoblock front calipers, Z29 rear calipers. Includes calipers, brake lines, mounting brackets, floating rotors (355x32 front, 321x20 rear), new front pads, used rear pads. Also includes many extras - front hats, front and rear rotors, many sets of half-used pads for front and rear. Currently configured for race use (dust boots removed, piston cap kit and thermal isolators installed, fully floating rotors), but will include the parts to be reconfigured back to street/light track use. Bought originally from BimmerWorld: http://store.bimmerworld.com/perform...it-p1059.aspx.