yes it did, but the heads was ported so far thay cracked and leaked water into the ports... lots to read on here bout 302 heads and performance, got a set sale ya cheap of a 86 running 318 with only 86,000 miles!!
you want a easy 400 hp outta a 318, something close to this, with very lil machine work...
https://www.motortrend.com/how-to/mopp-0409-318-engine-build/