not really sure i never seen spacers like that in any transmission
i have done a few of the B@M KITS and no spacers in the others iv done
did a few c-6 and no spacers c-4 none
Fixed it. ID10T error. Lol. You know, they shouldn’t put matching plugs so close together. I had the shift solenoid and the EPC (or whatever it’s called) backwards. Shifts great now