Need more details on the install. Based on the underside of the car we can assume it is a Fox Body but other than that I have no idea as to the combination you are installing and what supporting parts you are installing it with. What transmission was in the car before the TKX? What bell housing are you using? Did you install a pilot bearing, replace a pilot bearing, or leave the one that was in there? If you put one in what brand and part number was it? Did you index the bell housing?
The more info you can provide the better.