They are to protect the lip of the water pump drive seal, they are made out Aluminum and keep the lips of both sides of the seal going in the right direction. Here are the links. Thanks.:thumbsup3:
http://2911960f-eb5e-11e4-b8ac-f04da2075117.onlinestore.godaddy.com/products/92-97-lt1-l99-water-pump-drive-seal-install-tool
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http://2911960f-eb5e-11e4-b8ac-f04da2075117.onlinestore.godaddy.com/products/92-97-lt1-l99-water-pump-drive-seal-install-tool