318 engine for sale need help

i have a 1965 plymouth fury i was told it was a poly 318 before i rebuild it I'm using it for a weekend.car it runs good just burns oil I'm running sae 30 in it going to switch to castrol 20w 50 see how that does,my question is i saw this ad on a website its by me and was wondering is this a plug and play setup or not.any help here thanks don't want to waste money he wants 500 and states it ran good four years ago pulled it for a big block
setup

https://newhaven.craigslist.org/pts/...272493070.html