Some items from this specific schematic: Bolt,flange,6x40, Bolt,flange,6x12, Washer,seal, Sparkplug (dr7es).
The component with the lowest price in the CYLINDER HEAD schematic is the Screw,pan,5x20.
The Nut,flange,10mm is the most widely applied product in the TRX250 FOURTRAX 250 1985 (F) USA CYLINDER HEAD ( four times ).