Hello,
I have a 3 Performance and my understanding is that the 3P has 130mm ground clearance and 4LR has 140mm.
So when I bought the KW V3, they say that lowers 20-50 mm.
Adjustment is then: 50-20 = 30mm.
Now range on collar to adjust this is: 15mm.
Which gives a ratio: 30 mm / 15 mm = 2
So...