it now seems after seeing a few fiesta rs turbo's around that my car has the wrong dials fitted

it currently has 140mph white dials and i'm pretty sure all rs turbo's came with 150mph black dials ? is this true

so really i'm driving around with the speed completely wrong as the needle will probably show a different speed to what it would have with 150 clocks? so for instance if the speedo is reading 130mph on my 140 clocks then it would read about 140 on 150 dials

has anybody out there got a set of black faced 150mph dials they would be willing to let go , i don't want the whole cluster though cos i want to keep the one i have as the car has only done 64000 miles.

anybody