it does have the pin so i am not sure on the lsd i have heard that the lsd CAN have the pin and i have also heard that the lsd will not have the pin the tranny casing is painted so i cannot look for the lsd stamp.....sorry the full number for the tranny is.....s80-3106515 every time i google it i come up with ls(i know its not this) gsr (maybe) and itr with OPTIONAL lsd (maybe) i get a headache trying to figure this out if you know more than me by all means lemme know something!!!