Originally Posted by
Z28ricer
I dont know about him, but I know when I installed them on mine, i got the regular ones, if you look, on that link you can see an example of them installed and the little flange causing interference issues. Although hey I had a cast stainless outlet, so I didnt need every last sqmm of surface area to get some cheap ebay elbow to seal...
I was going to use them to bolt my exhaust togeather to prevent the nuts from comming off

The ones that came with it arent locking I do not believe.