Another couple of things to look at are the locating pin (bolt going through the housing neck) and wear on the ball of the shifter. A new shifter sheet will solve most of the lockup problems, but remember that these are 20 year old trucks... everything wears down.
You can check out some of the more established zook companies for good prices of quality parts - along with lots of knowledge in phone support. Ebay is handy, but you never know what knock-offs you are getting.
Try:
PetroWorks
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Welcome to Low Range Off-Road, your off-road parts and accessories source for your Suzuki, Toyota, and Jeep
