Drivetrain
Gearbox
Gearboxes while same model, have different bellhousing to 6A13.
W5M51
W5A51
Transfer Case
Similar to Evo 5/6.
Front Diff
ratio is
Rear Diff
Type-v open diff
Type-s AYC
can fit Super AYC
Ratio is
Other Options if no AYC
Magna LSD - need cvs too
EVO RS centre.