I searched for a while, couldn't find any. I'm making a set right now. I can send you drawings if you need them. I have the Van's drawing, and I made a weldment drawing for just the pedal.
RV-4, 582M - bought 9/01 - sold 8/20
RV-6, 524JN - bought 8/20 - happy wife.
SNJ-5C, 665C - ground up restoration, almost done.