The E-18 assembly is constructed from several parts from which the Pipe R,water is the most expensive.
With a quantity of four pieces, the Bolt,flange,nshf, is the most used part in the E-18 diagram.
The most reasonably priced component used on the Cb1300 Super Four 2007 (7) Japan Sc54-140 E-18 is the Bolt,flange,nshf,.