[twobjshelbys]

Lead. The lead becomes the sacrifice. If you use dead blow the wing becomes sacrifice. Better to replace hammer head than spinner

If you use it that much that you need to rebuild it you're using it too much or tightening too much. You should get 10 times plus or minus on all 4 wheels if you tighten to the pound where the sound changes pitch.

Ps don't forget anti seize