Kent-Moore does indeed make many of the specialty tools for GM. Good find.
There aren't very many special tools needed to work on Fiero for most people. A decent set of Metric wrenches and some torx bits. A 7mm Nut driver for interior work.
The terminal release and crimping tools for Weather Pack and the various other Dephi/Packard electrical connectors are good to have. Kent-Moore has the tools for all of them. Anyone building wiring regularly needs these tools.
People doing work inside the various GM transmissions should find that catalog usefull. There are a number of special tools called for to do that job.
There are some special tools for the engine but most can be done without. They do make a neet tool for stuffing in the single piece rear main seals.
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Screamin' Yellow Zonkers... If it's Screaming and Yellow, I aint eatin it.