black novak escs were typically dyed ones... was rather common at some point for the looks
m5 is probably the most produced speedo of that era. it was affordable and would easily punch above his weight and run mild mods competitively. plus it was just impossible to kill.
it s usually one of my "default" choice for vintage runners. i have like 4 or 5 in various used condition, i think
but rare it is not
