The 700r4 to TH350 NP203/NP205 Adapter is designed to adapt the adapter from a TH350 NP203/NP205 onto the back of a 4wd 700r4. The adapter is 2" thick and has the 700r4/TH350 Pilot Machined in.
This Adapter can be used when replacing a TH350 with the 700r4 Transmission.
To use an NP203 you will need this Adapter and a Stock TH350 to NP203 Adaper.
To use an NP205 you will need this Adapter and a Stock TH350 to NP205 Adapter and Coupler Shaft.