It's a very robust car, i have plenty of 'mishaps' on track and I've only broken a front camber link turnbuckle... In a head on flying collision with a 20kg weight plate at Silverstone... I was driving like a total t!t so was amazed it didn't do more damage.
I too have replaced the steering link for durability but I never actually broke the kit part. Stuff like the diffs and shocks too, the maintenance is so minimal that you'll forget when you last rebuilt the diff and which oil you put in the shocks! Or maybe that's just me
recommended!