The latches are called Stealth latches. I have seen them in some of the aftermarket truck supplier's catalogs and websites. One of the sites is:
http://classicparts.com/prodinfo.asp?number=11-328P They sell them in a kit, but it does not include the cylinders. The cylinders look like they came off a late model hatchback car. They work excellent and they are very smooth and no more paint chips.
Tony