Great thanks, found em, but they are 8x10mm. https://www.amazon.com/gp/product/B091YKN3D6/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1I believe i got them from kyosho. They are 6mm in diameter The part number i don't know specificly i have to find the bag
Someone mentioned putting them right behind the pinion gear and bearing resulted in the shims getting chewed up. Could anyone verify this? It seems if that were the case the pinion gear would destroy the seal for the bearing, its locked in place with two bearings after all.