Quote Originally Posted by GasGuzzler View Post
Do they have the 15mm outside and the Allen inside? Some are rounded outside with Allen inside....those suck. Remember they probably have Loc-tite on them so some properly placed heat might help but it's a tight place to use a torch.
They are the rounded ones with the allen inside. Yeah, it does suck. Has to be the stupidest thing I've seen from GM. I tried the heat with no luck thats when it started to round.