Head Stud Kit, 12-Point Nut AR256-4702 Product:fits Ford Coyote 5.0L (2011-12) 12mm (ARP2000) Both the tube nut (AF818

Both the tube nut (AF818 series) and tube sleeve (AF819 series) must be used in conjunction with each other in order for them to work

Stainless Steel Weld-On Female Metric FittingM12 x 1

There's Not A Better Stud Set Up On The M arket Today

improving overall cooling performance

Head Stud Kit, 12-Point Nut AR256-4702 Product:fits Ford Coyote 5.0L (2011-12) 12mm (ARP2000) Both the tube nut (AF818Head Stud Kit, 12 Point Nutfits Ford Coyote 5. 0L (2011 12) 12mm (ARP2000) AR256 4702 256 4702 It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, there's not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to "aircraft" quality