that grey pasty stuff is typically micro particles of metal. thats why its stuck to the magnet. It collects the metal articles as they wear off the moving parts.


96 T100 4x4 - 35's, 4" SL, 2" BL, 4.88s, ARBs, custom bumper & E9000 winch, etc.
99 F-350 4x4 superduty supercab turbodiesel longbed