The Screw-pan-cros is the lowest priced item on this Generator/regulator schematic.
A sample from the products for the Generator/regulator include: Bolt,allen,6x28, Clamp,wiring Harness, Regulator-voltage, Washer-spring,5mm.
The Bolt,allen,6x28 is the most widely applied product in the KZ550H2 GPZ 1983 USA CANADA GENERATOR/REGULATOR ( three times ).