Disc Rear Mazda 3 Rotors Pair CX 3 CX 30 Sport K8 100941 For Brake just connect the two wires just connect the two wires of the power locks While entertaining and quiet operation Manufactured with multiple alloys for improved heat dissipation and performance Double disc ground finish eliminates lateral run out and DTV (disk thickness variation) issues on the rotor and improves pad rotor bed in Precision mill balanced to ensure smooth operation with no pedal pulsation INCLUDES: 2x Rear Disc Brake Rotor (Both Side) Exclusive G3000 heat flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear