Ok Thanks in advance for the help.
Looking for what parts to use to build a 904 for behind my 416.
Car has 31x13 rubber 4.56 gears @ 2900# with driver
Will run in the 10's.
So with the knowledge here let me know what parts to get.
Torque converter-
Valve body-
Year of 904-
Clutches-
Bands-
Planetary-
Seals-