Ford 6.7L Powestroke Liquid Heat Generator | 2017-2023The HeatStroke LHG provides fast engine and cabin warmup and window defrost while reducing excessive warmup idling and cold running resulting in fuel savings, reduced tailpipe emissions, and reduced engine wear and tear. The HeatStroke LHG adds 8kW 16kW (27,000 55,000 Btu) of additional heat to your engine coolant circuit and heater core instantaneously based on engine RPM. Fully automatic and managed by an Electronic Control Unit (ECU), the LHG