The Screw,cross 5x8 is the lowest priced item on this Rear Cylinder schematic.
This Head Assy Rr Cyli is the most expensive of the items that make up this Rear Cylinder assembly.
A sample from the products for the Rear Cylinder include: Spark Plug(dpr6ea, Guide,in.valve, Insulator Carb, Gasket Cyln Head (nas).