This sleeve set will change camber and/or caster from 1/8 degree to 1-1/2 degree in 1/4 degree increments. Installation requires removal of the upper ball joint stud nut. Break the taper free between the stud and sleeve. Determine the change needed and replace the existing sleeve with the correct one. #4169 spanner socket required for sleeve removal. Set includes 6 sleeves. California Residents WARNING