Those numbers are out of date now, they recently restarted production and it turns out each engine is about $150M now for the new production run for the SLS. (W

Those numbers are out of date now, they recently restarted production and it turns out each engine is about $150M now for the new production run for the SLS. (Which about the cost of a full expendable Falcon Heavy rocket launch along with all 27 of its Merlin engines.)