The E-12 assembly is constructed from several parts from which the Case, Transmission is the most expensive.
Parts such as the E-12: Oil Seal,24x40x7, Bearing,ball Radi, Bolt Flange 6x18, Case Comp,mission are included in the Chf50 Scoopy 2007 (7) Japan Af55-160 E-12 parts fiche.