The Steering Stem (model K6) is made up of components including this Stem,steering which is the most expensive.
In this schematic the "Bolt" is used most often.
Parts such as the Steering Stem (model K6): Nut, Bolt, Holder,handle Lwr, Nut,steering are included in the Rm250z 2004 (k4) Usa (e03) Steering Stem (model K6) parts fiche.