69 RS Washer bottle bracket fastener questions

[RS_COPO_Canuck]

Hi All. Trying to figure out the correct fasteners and plating for the washer bottle bracket on a 69 RS. There are the ones from the bracket to body and the ones from that bracket to the actual bracket holding the bottle. The ones on there are phos finish with "D" markings.....the ones that come in the kit are silver plated....I believe "D" as well. Also there are two sizes. Is silver the correct plating found on original cars? Are there some good pics around showing this and other engine compartment details? Thanks!