Confused what to do with a 5.9L serpentine setup

LA set up;
Crank
https://www.summitracing.com/parts/mch-10306/make/dodge
Water pump
https://www.summitracing.com/parts/mch-10302/make/dodge
Alternator?
https://www.summitracing.com/parts/mch-p590/make/dodge
The kit minus P/S pulley
https://www.summitracing.com/parts/mch-10300/make/dodge
The page
https://www.summitracing.com/search/make/dodge/engine-size/5-6l-340/engine-family/mopar-small-block-la/part-type/pulley-kits/pulley-style/serpentine?N=pulley-style:serpentine&SortBy=BestKeywordMatch&SortOrder=Ascending&keyword=March