Wheel spacers or hub spacers 2118 wheels

[knocker]

just fitted some cooksport springs and 2118 wheels with 195/50/15 tyres the car needs some spacers to bring the wheels out more, I'm looking to do a few track days when the car is finished what do you guys recommend ?

 

[Daz 172]

I've got 16mm spacers all round on my cup with stud and nut conversion , plenty of different types to go for but I got mine from prima racing