Need help ID'ing NP203

[66gmcguy]

Originally Posted by kwmech

The solid cast 1 piece was used for about a year and a half. First 73s and into some 74s until they ran out of them and went to the aluminum 2 piece. Input spline count would dictate what it came out of. Yours being a 27 indicates-- of course-- chevy bolted to a turbo 350

I see. I figured it was something like that. Thanks for your help.