mopar motors have the number stamped on the side of the engine block
904 torqueflite
Mopar number is 5281090Mopar number is 5281090
Chrysler/Mopar part number is 5281090Chrysler/Mopar part number is 5281090
Mopar part number 5281090Mopar part number 5281090
Mopar # 5281090Mopar # 5281090
361, 383, 400, 413, 426 wedge, and 440 are all the same block as far as I know.
counter clockwise.. http://boxwrench.net/specs/bchrys_B.htm clockwise
Mopar number is 5281090.
52108304AA is the Mopar part number.
if not manual convert to a manual use a dohc block and transmission with the stock sohc head it will give you higher compression then go with a mopar ecu and mopar cam a kirk lontube header you should be good
Mopar number 5281090