I spent a bit of time looking about,
MS page
So Maybe, but inconclusive yet.
But One of those GM units sure looks similar. Anyone have a bolt on type to do a trial fitting to see how much machining it will take to mount one to a Mitsu?

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.