Fuel heater kit specifically for use in Fleece Performance heated fuel filter kits installed on 2011 2016 Ford 6.7L Powerstroke. This kit includes the fuel heater and chassis harness to provide switched power to the heating element. Fuel heater specifications Temperature switching points ON 28.4F 5.4F, OFF 48.2F 5.4F At typical fuel flow rates a temperature increase of between 4 8F will occur across the heating element Works with the following kits FPE PF FMC 1116 SB FPE PF FMC 1116 LB