OPL HPR050 Aluminum Radiator For Rover MGB Fits: 1970-1975 Rover MGB (Manual Transmission) Inlet: 1.25" / Outlet: 1.25" / Rows: 2 Core Size: 17.75" x 9.75" x 2.25" / Overall Size: 20.25" x 15" x 4.5" OPL cooling technology provides up to 30% increase in heat transfer Full 10 year manufacturers warranty