I recently replaced my front upper control arms after I lowered my 00 Si. One of my retaining bolts snapped and I had to buy something g to keep the arm in place for now... but I was wondering where can I find new possibly better bolts for my car?

 

You're not likely going to find anything better than OEM because metric bolts come in grades of 8.8, 10.9, and 12.9. I believe the original bolts were rated 10.9 which is the equivalent of an SAE Grade 8 bolt which is like the benchmark for the best although there is a 12.9 out there, you probably won't find it.

The reason most of them break while removing is because of rust, cross threading, improper removal (i.e. a socket or wrench not fully seated), or poor quality tools used to remove.

I would just replace it with a stock bolt and call it good.

 

Thanks for the heads up...