Yes it is. And assuming the centre is 120mm (no idea if it is or not, but the difference will be the same).

PS my maths was wrong, i just used the diameter not the radius lol

Edited now!

For 200 bhp i still think an ib5 is man enough for the job, time will tell with mine anyhow! but if your up for it an mtx75 is the obvious winner.

Rob,