Hey that's my SWAP!
I did that swap for my Ex-girlfriend back in '14 or so. She sold it back in late '15. They gal who bought it called me once (from Lebanon, OR) So the story has gotten mixed up, cause I built it for my GF and then she sold it presumably to the gal you got it from.
It's an EJ18 from an 93 Impreza.
I did do a custom low line for the AC. Someones screwed with my wiring a bit. but all in all the A/C worked fine.
The large bundle across the engine is Headlamp relay setup. No need for conduit. It's been that way for 5 years, it's fine.
It has the Stock 5spd 4wd S/R, but it's in EJ cases so no adapter plate. If you need a clutch use a clutch for an Impreza