Camber bolts and Caster

Hi guys,

After a decent set of camber bolts (front and rear). Which ones are good? Heard Whiteline ones come loose relatively easily?

Also, K-Mac make camber and caster adjustable top mounts. Has anyone used them?

k-mac mounts are good, not cheap but proper engineered product, not sure if their sunny sentra mounts will fit but likely they will.
I don't like aftermartet camber bolts up front as have habit if slipping out of position. works well in rear, I've used powerflex bolts on rear without problems