904 rebuild/advice :)

SKU: 12555RSL
904 Cast Steel Front/High Clutch Drum (1976-92) Reconditioned Holds 5-.095" Thick Frictions or 6-.061 Thin Fricitons. (Requires a Beveled or Modified Front Pump Stator to Fit)

tried to put a replace a 4 disc drum with a 5 disc drum....5 disc drum hits pumps,,,so there are some differences out there....what i quoted above is from A&A trans..