Measurements are as follows.
Sparkplug leads
#1 - 620mm Straight sparkplug / Straight
distributor
#2 - 660mm Straight sparkplug / Straight distributor
#3 - 680mm Straight sparkplug / Straight distributor
#4 - 850mm Straight sparkplug / Straight distributor
Coil lead
Coil - 670mm Straight coil / Straight distributor