Parts such as the E-5: Pin,dowel,8x12, Bolt,hs,6mm, O-ring 14.5mm, Cylinder Comp. are included in the Crf50f 2005 (5) Japan Ae03-150 (jdm) E-5 parts fiche.
On this parts fiche the Pin,dowel,8x12 is the most specified component.
The E-5 assembly is constructed from several parts from which the Cylinder Comp. is the most expensive.