Engine compatibility for OMC 400 sterndrive

[KSTEEL]

Need to re-power a boat. what type of 4 cyl engines are compatible with the OMC 400 Leg?

I know the chevy 3.0L 181 cid is, what are the others?

Thanks



Kyle

[MDP]

chevy 2.5L

[KSTEEL]

Is that right, the bell housings are an exact match? If so, that would be perfect.