4l80e in 79 malibu
Output shaft, reluctor ring, and tailhousing. Also be sure the plug in the case that feeds oil to the rear bushing has the small hole to feed the fluid. Most 4x4s have a solid plug here.
If the total power is going to be below 750 FWHP/TQ you should be fine with mostly stock hard parts. The key is in the hydraulic calibration and good assembly.


