32mm Hose Adapter. 1.25" hose on both ends.Cold Case Radiators now offers these water temperature sensor units for those wanting to connect two radiator hoses, while getting the most accurate water temperature. These are recommended when using a radiator that isn't specifically setup for an LS car. You can use the 1/4" NPT bung for your steam port. With this adapter, you can use your regular radiator, connect this adapter with 2 upper hoses and run your steam port.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov