[JB @ C and L Machine]

Originally Posted by mercuryman96

Does anyone know for sure what size the header bolts are on the LS3 to attach the ARH's to the LS3? Looking at Stage 8 Fasteners, they have a very cool locking header bolt system. Once there locked they will not back-off.

I had ....well some what since they all didn't fit on my mustang. IMO...they are a waste of money. I going to use these http://www.mcmaster.com/#lock-washers/=707htc