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 Top Water Manifold Gasket (High Compression Type) (Paper Type) £0.80 STD Top Water Manifold Gasket (Low Compression Type) (Stiff Cardboard Type) £0.80 Unmachined 4 blade Fan - export / sports for Mag Engine £35.00 Top Water Manifold Gasket (High Compression Type) (Stiff Cardboard Type) £0.80 Top Rubber Water Manifold Gasket (Low Compression Type) £2.50 Sold out