not if you want to keep fuel injection. the crank sensor is mounted on the bell housing of the magnums. if you wanted to use just the heads and buy an intake to put a carb on you need to use amc lifters for the different oiling system and then figure out the ignintion but im guessing you would want to keep the fi. they would bolt up the same to the trany though.
i think 360 mag short blocks are only like 1300 through sumit