Designed to allow a wide range of temperature adjustments for the electric fan. The adjustment knob is used to set a precise temperature at which the electric fan will activate. Racers can use the kit to precision tune engine output. Street vehicles can use it to activate fan at lower temperatures to aid air conditioner operation in hot climates. A brushed stainless steel mounting bracket is used for it’s durability and good looks. Complete kit includes the thermostat with bracket, 30 amp relay, wire, terminals, mounting hardware and a 30 amp circuit breaker for overall circuit protection. (Kit also available without relay for applications where a relay is not required. P/N 30112)