'fraid so, or at least it used to be when I was a schoolboy and Vincents were for people with jobs.
ATD combined with distributor, double primrary chain tensioner, gearbox camplate spindle housing, improved clutch nut seal, coil ignition, monoshock rear suspension, Lucas E3L dynamo
Scary to think of a Lucas component as an "upgrade"
Now you have read Mr Hutch's description, I expect you can understand better than my offspring why an A rock "star " calling himself Slash gains absolutely NO respect fron their father!
I ask with great caution Roy, but what is the band called ?