We provide a 1 inch to 3/4 inch Bushing to enable you to connect to the radiator Hoses. This unit was built for a Customer who wanted 1 inch inlet ports to keep the unit adaptable for Exhaust hook-up for future use on another Truck Mount. We can Tig weld 3/4 inch females for the coolant lines if you desire. The Dimensions are 18 inches long X 8 inches wide and fits just fine in the lower compartment.
This After Market Replacement will Heat a whole lot better and last a lot longer than the original using the Axis Point Technology.