I've been looking at the SRPracing pedal kit, for all of them. The accelerator has a nice extension and the entire set is customizable. You can also get just the accelerator, if that's all you want.
https://www.srpracing.com/pd_brz_racing_pedals.cfm
https://www.srpracing.com/pd-brz-fr-...pedal-only.cfm