Rudder Pivot Bolt Bushing for the FJ and 420. It might be white inside your rudder blade, but this black one will work. Might have to cut down a bit if too long.
Rudder head, also compatible with some other builders' boats and tillers. Zim Applications C420 FJ (collegiate, over-the transom-style rudder) Includes 2:1 rudder downhaul, pivot bolt, and...