360 Magnum heads conversion

Hi guys, Im swaping magnum heads onto my LA block and wondering if this conversion kit will work? I dont have a roller cam though but not sure if its needed? Or am I better off just sticking with the stock stuff?

http://www.summitracing.com/parts/crn-36655-16/applications/make/dodge/engine-size/5-9l-360
http://www.summitracing.com/parts/crn-11746-16/recommendedparts/make/dodge?prefilter=1