Replacing the complete camshaft drive assembly at the same time as you are replacing this camshaft would make better sense than renewing some items, yet choosing to reuse old, and very likely worn parts. Interfacing used parts with new can cause premature wear of those new, and probably quite valuable high engineered components.
You may wish to consider the related parts listed below:
Interfacing older worn parts with new can be a false economy. Add as many items as you wish to the same shopping cart, new gaskets, seals and fasteners for example, and still only pay the same fixed price shipping cost.