Great find there mate, those look like a pair of MKII VC-160 Auto Drives to me, 1973-1974, V136.
Should have a couple of G3 carby's between them, the one on the left has a rather onteresting throttle set up going though, am I right in assuming someone has left the original airfilter housing, but jamed a second one, from a G4/LM for it's inbuilt controller?
