As fitted to late spec AMV8's and AMV8 Zagato's this assembly can be easily fitted to earlier AMV8s retaining your original existing radiators.  By fabricating two small support brackets which attach to your existing threaded brackets foun on your own radiator, which were used to hold your original fan cowling and Viscouse set up, as shown in last image, eliminating the need for viscous driven fan blades, giving a much more controled and better cooling option,