4iiii Powermeter question

I have the 4iiii Precision 105 R7000 left only and I want to go dual sided power. Is there a way to just buy the right side or what do I have to do? Thanks.

https://shop.4iiii.com/collections/power-meters/products/right-side-precision-powermeter-factory-install?variant=12368277995599#details
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