I've used this company for MGB bits, but they do replacement tray and a toolbox for Morgans

https://www.classicdrivingdevelopment.co.uk/cat.asp?carID=20&page=MORGAN


"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10