This kit is a combination of Spal part numbers 185FH and FRH. With both of them you can run a dual electric fan setup.

-Our SPAL relay wiring kits are a must-have when installing an electric fan 
-Designed to safely integrate with OEM wiring 
-Waterproof 40/50 Amp relay 
-Printed wires (for ease of installation) 
-3/8" NPT (National Pipe Thread) stainless steel sensor 
-Optional switched override capability 
-1/2" NPT adapter included