This brand new electric fan installation kit comes complete as pictured with all parts included. Our kit includes a 30 amp relay, 185 degree thermostat, circuit breaker, 48" of 12-18 gauge wire as well as assorted brass terminals & connectors. The thermostat goes on at 185 degrees and off at 170 degrees. A must have if you are using an electric fan in your off road, jeep, rock crawler, muscle car, street rod, Hot Rod, Rat Rod, Gasser, dune buggy, or sand rail project. Includes instructions and wiring diagram.