adapter

  1. Rich77

    Bolt pattern adapter

    Hello, Have any of used bolt pattern adapters? How do they hold up? Are there downsides to using them? I want 17x8 up front. That’s not a problem. I want 17x10 in the rear. I can’t get the rims I like in a 5x5(127). I can get them in a 5x114.3. Thoughts?
  2. C

    In need of a th400 to np203 adapter!!!

    I recently broke the rear housing of my th400 along with the adapter to the np203. (I believe is the factory drivetrain. 1976 k20 4x4 big block.) I had a good th400 case laying around Ive swapped everything over to. The issue is trying to find the adapter. The casting number is 376129. I have...
  3. R

    Can't separate SM465 adapter from NP205 TCase

    Hi all, Tcase seems to be stuck to the coupler inside the adapter? Need some help on splitting the two for a rebuild.

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