Originally Posted by CraigMBA

I sort of disagree with Cherry. If you race indoor, they will last forever because the speeds are lower, but if you race outdoor, not so much.

The first FT parts I put into my truck were the TN hinge pins, and I can still warp a set of A arms to where they are unusable in two race days outdoor if I don't rotate them L/R every race day. I marked one side with a silver sharpie and I'm up to eight race days on them now, but they are probablly near the end of their life.

I never ran a set long enough to get slop on them.