Creality Ender 3 BCZAMD Dual Z timing belt upgrade kit

One the major issues with the Creality Ender 3 is the single Z rod. The problem is over time the right side of the Z access will sage creating all kinds of issues with accuracy. This the dual timing belt kit. Not the dual motor. I think the timing belt kit is more accurate.
Kit on Amazonhttps://www.amazon.com/gp/product/B086C8LS8N/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B086C8LS8N&linkId=a4b427eb2ee30b32a6eea9e39cb65c09

Idler Pulley upgrade
https://www.amazon.com/gp/product/B07CXT6JMR/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07CXT6JMR&linkId=302b7f49715b39b0592be4f5b1b414b8

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