225 to th350 auto

I've got a gm th350 4x4 trans I would like to mount to the 225v6. I know these are not fully bolt up but there are plates out there that will allow them to mate. Is this what I need?

http://www.summitracing.com/parts/trd-0061/overview/

or will this one work?

http://www.summitracing.com/parts/tci-230001/overview/

 

http://www.novak-adapt.com/knowledge/th350.htm

 

Yes I know that there is a th350 that has both gm and bop patterns. however my trans was built a few years ago with all new internals. I was hoping one of those 2 adapters from summit would be my missing piece to the puzzle.

I already purchased the flex plate for the 225 to th350.

 

Much cheaper to purchase a cheap plate. Would either of those two I posted links to work?

 

Yes, either of those will work.

 

Thank you, I was hoping those would work.