They are official Citroen racing products, in the past a few ex-members have had these mounts for the 807 brakes fitted and liked them.
I was personally going to get some rotors made up for them after getting the brakes but you can also fit a disc from a 307 HDI iirc, although they are quite heavy.
So included is the mounts and the required fixings for attaching them to the hub and the Brembos to the mounts.
They are probably the rarest part to get, they cost me a lot more than I think i will get for them second hand so just looking to recoup my losses on these.
I think they are made of Billet, they are very light.
The reason i wanted the 807 brakes is that they weigh very very little. Proper motorsport brake calipers that were way too good for a 807 people wagon.
I'd take £90 delivered
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Ex- Phase 3 China GTi-6 T-Reg