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Dust Boots (High Temp.)-Blue

When installing high temperature (Blue) dust boots, extreme caution must be exercised from avoiding contact with brake fluid, and never use brake grease, or it will damage the boots causing pre-mature failure like this Focus RS customer.

https://www.focusrs.org/threads/brake-caliper-dust-boots.120830/post-2253378

This brake grease attacks blue boot