They are wilwood dynalight calipers with the standard hat for the 12.2" kit but the rotor is 11.8". The bracket is custom cnc steel for the little bit smaller rotor to help clear 15 inch wheels. There are 3 sets of carbotech xp12s, 2 sets are just about gone but would work for auto x, The set loaded in the caliper has only limited track life left with a light, lower whp car. Caliper paint is not perfect but shiny still. Rotors are in good shape with no cracks or heat stress. $400