Question Gpu thermal pad and capacitor replacements

[1troy2me]

I am going to replace the thermal pads for RX570 NITRO and the large capacitors, ex mining card, all looks good except all large black caps look as if got slight curve to their tops. i guessing this model should not have any curvature? i have done caps that looked worse on motherboards with success so going to try a gpu. I want to remove as much risk of failing as possible.
Question what type size and where from can i get the thermal pads and the caps for the job?
thanks

 

[helpstar]

usually on ebay or electronics shops like mouser

can you post a picture of these caps?

 

[1troy2me]

usually on ebay or electronics shops like mouser

can you post a picture of these caps?

yeah i try get one soon, bad news my 1.5 yrs cm750 corsair psu went pop when gaming last night. disconnected everything turn psu on pop again , trips house main fuse. i can only guess it would be this gpu that blew it. put in another psu and all seems fine with all gear so far.