Between us we could probally put a dozen together. I have 6 or so also in the cans and Mr.70 told me about a week ago the list was too long to print all of the GM applications but none of them were BB 70 454 chevelle since if they were I would keep them for mine also.
The most common use for them is the front joint on a 65-68 and 70 B body with the th400 trans.
They are a conversion joint if you open the can, 3 5/8 one way and 3 13/16 the other.Here is one out of the can
