Measurements are as follows.
Sparkplug leads
#1 - 600mm Straight sparkplug / Straight distributor.
#2 - 600mm Straight sparkplug / Straight distributor
#3 - 860mm Straight sparkplug / Straight distributor
#4 - 860mm Straight sparkplug / Straight distributor
Coil lead
Coil - 350mm Straight coil / 90° distributor