The Bolt,allen,6x28 is the most widely applied product in the KZ440B2 1981 USA / MPH GENERATOR/REGULATOR ('80 B1) ( three times ).
A sample from the products for the Generator/regulator ('80 B1) include: Flywheel,generator, Clamp,wiring Harness, Plate,lead Clamp, Bolt,allen,6x28.
The Generator/regulator ('80 B1) assembly is constructed from several parts from which the Flywheel,generator is the most expensive.