Our V2 to V3 upgrade includes new replacement ball joint plates that are CNC'd from T6061 aluminum with 3/4" Teflon lined FK Bearings and Electroless Nickel plated chromoly tapered studs. Larger Teflon lined rod ends with 3/4" balls and all new spacers and jam nuts are included as well. For reference our V2 arms used Teflon lined 5/8" ball joint sphericals and rod ends.