The O Ring(d:3.1,id:16.8) is the lowest priced item on this Crankcase Cover schematic.
The Ltf160 1991 (m) United Kingdom Australia (e02 E24) Crankcase Cover consists of forty-seven pieces with the Cover,clutch being the most expensive.
Some items from this specific schematic: Gasket(13.8x18.8x4.8) (nas), Bolt (6x55), O Ring(d:3.1,id:16.8), Gasket(5.8x13x1.2) (nas).