AN INCREDIBLY POWERFUL UPRATED GEARED & LIGHTWEIGHT STARTER MOTOR TO REPLACE THE. MGB ,MGB GT 1.8 1969-1980. MG MGB Convertible 1969 - 1981 1798cc Convertible. MG MGB GT 1969 - 1981 1798cc Coupe. OLD NONE GEARED ORIGINAL VERSION ,USING MODERN STARTER MOTOR INTERNALS MAKING IT.