Peterson Oil Heater is intended for pre-heating of oil in dry sump system, it is important to ensure good lubrication on intitial startup. Immersion style does a great job of pre-heating your oil, however, it requires welding a bung into the tank. #08-1300 300 Watt immersion style heater. 220 volt detachable cord. Comes complete with both steel and aluminum 1/2" NPT bungs.