Usually the law is 100mm, but youd wanna make sure first. Superlows will usually drop the car approx 2 inches and ultras are im pretty sure around 4 inches. Simply go do some measurements outside and away you go.
with kings. Standard low - 30mm, Super low - 50mm and ultra is 60mm
I had super low fronts and ultra rears on my VL. sat nice.
i got king spring ultra lows and they said it wasnt legal when i bought them but yet they are just above legal height.
old thread buddy.. nearly 2 years since last post :P