Hmm, didn't run into that fitment issue on mine. Maybe your rad mount brackets were switched to opposite sides(?).
I did have issue with the trans cooler lines seating into the Mishimoto. I had to remove the fixed washer on the OEM trans line fitting to get it to thread in far enough...and...
Nice install. Think I have the same trans cooler, looks identical, it was installed many moons ago. I did similar mounting with some generic metal straps and used all existing random bolts holes from the center grill support to the headlight mounts. I painted the straps flat black...it's a...