From a deceased estate , I think these SU;s are prewar but although they are similar are not a pair , one has a 10oz bronze piston the other ali piston and spring combination 10oz , both in good condition but will need new butterfly spindles , the rear flanges are not distorted
"The K3 Magnette must rank in the history books as the most famous and successful of all the record breaking MGs. With only 33 examples produced durin..