.620 mechanical Purple Shaft?

Garrett Ellison said
Is it the '67 Charger in your avatar and what's the tire size? Hot strip/street car or drag only?

Hot street and strip car, 295/50/r15s on 15x12 wheels with 3800lb SS springs and Gabriel HiJackers

Nobody builds quick '67 chargers and they are one of my favorite mopars.