www.Austin7Ulster.com › Screw Type Solid Brass Radiator Neck Screw Type Solid Brass Radiator Neck £16.99 sold out With the correct thread, for converting Ruby radiators to late Chummy / Ulster radiators. Approx 37.4mm O/D, 35mm long. With the correct thread, for converting Ruby radiators to late Chummy / Ulster radiators. Approx 37.4mm O/D, 35mm long. Sold Out Added! You Might Also Like Std Gasket for Side Water Manifold £1.20 Side Water Manifold £20.50 1-1/4" 32mm Radiator Hose Connector £5.50 Sold out Unmachined 4 blade Fan - export / sports for Mag Engine £35.00 Core / Welch Plug Small £0.60