bigger sepex from "alpha motors"

seems I can get a bigger sepex from "alpha motors" on ebay. Not much info so far but the motor is bigger (57kg) and supposedly rated to 120V 250A.

first problems is that it may not fit:
FRAME DIAMETER IS 8" X 18.1" L. (203x459mm)

I have just crawled under a mazda 121 and the distance from where the bell housing bolts onto the transfer case to the end of the second accessory drive pulley is about 490mm.

That would mean that if the electric motor frame could bolt up to say an 8mm adaptor plate that bolted onto where the bell housing would normally go then I should have enough space (maybe not for the accessory drive pulleys for ac and ps).

I still have to understand the clutch arrangement.

If I use this motor then i will just connect to the gearbox without a clutch as i will leave it in the most suitable gear (advantage of sepex).