Integral” one piece style vented rotor and aluminum caliper with automotive quality brake padsDistinctive 380 aluminum caliper with E-coat finishVented rotor with Galv-X finishGalvanized heavy duty mounting bracket includedDual brass bleeder valvesStainless steel guide pinsBi-metal piston with stainless steel piston cupAluminum caliper with raised ribs dissipates heat up to 5 times faster than normal cast iron calipers (2 kits required per axle)