The 5.9 Mag needs a 5.9 Mag flywheel, the 360 wheel will bolt up but it'll be way out on the balance. The 360 has considerably more imbalance than the 5.9 Mag. To get it to work you'd have to add weight to where the three holes are drilled out, or else drill directly across from them, to reduce the amount of factory imbalance.
