This CRANKCASE assembly utilises five Bolt,bracket(s) - the highest specified component.
The most reasonably priced component used on the Lt80 1989 (k) Usa (e03) Crankcase is the Gasket 8.2x14x1 (nas).
A sample from the products for the Crankcase include: Gasket,gear Box Cover (nas), Bolt, O Ring(d:1.5,id:22.5), Bolt.