Did you check www.ronayers.com? I know that site has a lot of OEM parts, not sure about the brakes though.
The pads are the same fitment size... and most aftermarket companies use the same part#s for the pads for both the RR and the F4I.YellowRR said:They mostly all use the same front pads so the chance is good that they will swap. Now internals are going to different