Once you have one of these heaters, you wonder how you raced without one. The main advantage is it has its own power source and does not have to rob power from your generator. Just plug it in at the shop and this will charge it up. A charge will last for 3 to 4 hours of solid run time. It is very rare that you would ever need this heater on at the track. It can heat the engine in 20 to 30 minutes to a temperature that is plenty warm to start it. The heater will operate on high power mode to heat and circulate the coolant to 200 degrees. Once at 200 degrees, the heater will enter a low power mode to maintain the temperature between 180 and 200 degrees. Comes with instructions and all needed hoses with Jiffy-Tite 3000 female quick release ends. Does not come with the male engine fittings. We’ve used one of these heaters on the 69K for the last 3 years and it’s awesome! PLEASE CONTACT US AT 610-678-5325 FOR ORDER INFORMATION