What ever tranny that you go with make sure that the index bore is correct . Like pointed out earlier in this post GM used two different sizes 4-11/16 and 5-1/8 . Get the bell housing that matches your retainer collar on the tranny .HTH , Tom
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1984 K-30 w/ 292 / CH465-NP205 ( 32 spline )Dana 60 / GM 14 bolt - 1410 series u-joints / TBI
Pull truck: 2002 HD2500 4X4 Dodge Cummins Turbo Diesel H.O.
NVG 5600 Dana60/80 4.10's