Hello there I am looking for a part for my dune runner its the washer for the steering servo saver bellcrank it goes with a buffer post is now redcat tells me I can put a ball bearing and in it and it would be an upgrade but they do not have the part in stock and will not have it for five to six weeks the bearing is a 7×10×4 mm I can't find it anywhere I have been to a bout 15 local hobby shop and search the internet it I was hoping maybe somebody tell me where to find it or tell me where to find the original washer any help would be much appreciated thank you very much have a good day