The folks at Power Driven Diesel are testing the known quantity -- an ARP head stud -- against a new competitor from a company called IFG, or Innovative Fastener Group. Ready to roll: DIY a track day ...

If you buy aftermarket bolts or studs from a company such as ARP they will include a card with patterns and torque values in the box. Ford, Mopar, and almost any other head will follow this same ...

Leaking head studs are not particularly unusual and can usually be traced to installation issues of some sort. In many engines the head boltholes are "wet," meaning they go all the way through the ...