King Shock Grommets?are used to keep piggyback, bypass, steering stabilizer, OEM, and other shocks from rotating in their mounting brackets. They are a tight fit around the misalignment spacers and within the shock top cap and/or lower rod end. There are three sizes available and grommets must mach bearing sizes (1/2", 5/8", and 3/4"). Use the drop down menus above to select your grommet size.