looks nice, but dont know if its any good, does the shop install it too?
and also find some cheap atf to powerflush the atf cooler in the radiator, Ideally look for a product made for cleaning oil coolers, shops like zubair impex had it - it comes in a large can nowadays but used to come in a metal tin back in time, The can is self explanatory to use, the tin however requires compressed air and a dispenser to push it in.
Reason for this is that old sludged, burnt oil and metallic debris from the transmission will be stuck in your radiator oil cooler which will kill your replacement transmission in a hurry.