On this parts fiche the Bolt 8x13.5 is the most specified component.
This schematic depicts all components used in the Lt500r 1988 (j) Front Calipers partslist.
Parts such as the Front Calipers: Boot, Caliper Assembly,front,right, Piston Set, Cap,breather are included in the Lt500r 1988 (j) Front Calipers parts fiche.