The Bolt is the most widely applied product in the LT500R 1988 (J) CRANKCASE COVER ( four times ).
Some items from this specific schematic: Cover,magneto, Spacer(8.6x16x26), Spacer (8.1x16x15), Bolt.
The Gasket(6.2x11x1) (nas) is the lowest priced item on this Crankcase Cover schematic.