In this video, we walk through the step-by-step installation of an AutoPlumb Water Neck Adapter, showing you how easy it is to convert your cooling system to AN fittings without welding, hose clamps, splices, or reducers. Whether you’re building a custom hot rod, muscle car, race car, resto mod, or an LS swap, this adapter provides you with a clean, leak-free AN solution. Follow Cold Case Radiators on Facebook & Instagram: @ColdCaseRadiators Watch the full install video on YouTube: @autoplumb 👉 Shop Cold Case Radiators: coldcaseradiators.com 👉 Shop AutoPlumb: autoplumb.com #ANfittings #CoolingSystem #CarTok #EngineBay #CarBuild