PR SB401-R Steering Knuckle Bushing0.8mm (2)2023 SB401R(possibly 2022 also) - If using the CNC steering Knuckles(77480160) or the molded caster blocks, use this bushing for the lower pivot...
PR SB401-R Steering Knuckle Bushing1.1mm2023 SB401R - This is the lower pivot bushing for the kit setup. If using the CNC steering knuckles, or the molded 5 deg blocks, you will need the .8mm lower pivot bushing(PRR7750216)..