The lowest price component in this F-18 parts-list fiche is the Bolt,rotor Settin.
A sample from the products for the F-18 include: Collar,rub.bush, Bolt,rotor Settin, Cushion Assy,rear, Bush,rr.cushion.
seven components are listed in the schematic for this Crf50f 2007 (7) Japan Ae03-170 (jdm) F-18 .