I need a cam for an Old GX100 engine (on Belle PCLX 320) but you sell two, 14320 Z0D 010 and 14320 ZDD 000. Which might be appropriate, or either?

Part number 14320 ZDD 000 is the Pulley cam and part number 14324 Z0D 000 is the Shaft Cam Pulley. Please see the drawing in the link below Item 2 & 3. Cam Shaft Pulley.pdf