YAMAHA WOLVERINE CAB HEATER KIT - B4J-K75L0-V0-00Designed to provide a factory look and feel for your Wolverine, the Cab Heater produces heat via the engine coolant with the new Thermostat By Pass to add extra warmth and comfort, without sacrificing any cargo space. Thermostat By Pass provides quick and constant flow of warm air in all weather conditions 22,000 BTU hr. and a 240 CFM blower for maximum heating comfort Compact design to maximize available cargo space 4 vents: 2 defrosting and 2 dash