I wasn't able to find Optimum Leather Protectant on Amazon, but I did find it on
https://www.autogeek.net. I've never heard of this site before today, so I don't know if its legit or not, but I took a chance and ordered it for a total of $20.66.
Thanks for posting this product. Hopefully it will help.
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~Rob
-DD Air Guide, Stillen G3 CAIs, 63mm Throttle Bodies, Motordyne M370, Berk HFCs, FI TDX CBE (non-res, CF), Sprint booster v3, Ecutek Dyno Tuned, and the list goes on...