U4619-alloy centre track rod--how many washers req?

[gazhillAE]

http://www.racing-cars.com/pp/New_Ca..._KR/U4619.html

Can someone clear up how many washers this needs?
Not clear on advert to be honest.
It says "it includes the kit washers"
The kit only has a 0.5 washer......!
Does it still need the 4mm washers ??
Or is it included somewhere else ???

Cheers