The alternator on the DOHC mounts to the cylinder head, I would not call that a low mount. And if you want it higher use the bracket from the SOHC, it should bolt on.

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.