Cost for labor on stroker build?

Dan the man said

Good collection of paperwork. 400 horsepower 318 with bolt ons, what bolt ons? Probably all high dollar stuff

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not necessarily zooty, but what was available then at a reasonable cost. it's a basic build, but wouldn't exactly say it was bolt on.

https://www.motortrend.com/articles/ccrp-0401-mopar-318-engine/