Brembo caliper indentification

[grim_d]

Hi all,

I've pretty much bought a set of 4 pot brembos for my pulsar but struggling to find what they came from and more importantly if they are any good.

I've been told they are from a 406 coupe/fiat coupe turbo but on closer investigation they would appear not to be, they are side mount as opposed to rear mount and they have no balance tube. I have some pictures below, they are pictured with a 280mm disc