Off-Road Motorcycle and ATV Separate Kits for Upper Shock and Lower Shock (replace only what you need). Don't throw away ATV shocks because of bad bearings. AB kits allows you to replace worn out bearing assemblies saving you hundreds of dollars. AB offers Heavy Duty Arctic Cat Shock Bearing Kits. Our kit converts failure prone rubber bushings to high performance Delrin bushings with hardened steel pins.Quality design and construction of every All Balls piece meets the toughest standards and conditions - from daily commuting to full-on racing, all older bearing and seal designs are upgraded to the best and latest specs and designs. Separate Kits for Upper Shock & Lower Shock (replace only what you need).