Custom Age 625+ Head Stud Kit with 12-Point Nuts Hose Ends 4L (All Models) 12/91-On

4L (All Models) 12/91-On

Inline Check Valve

so you can enjoy the improved performance without sacrificing reliability

SR Integrated Main Cap Brace

Part Number : AR430-3511

Custom Age 625+ Head Stud Kit with 12-Point Nuts Hose Ends 4L (All Models) 12/91-Onfits Ford BA FG 'Barra' 6cyl Turbo Non Turbo 2002 on Part Number : AR9993901 CA 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 alloy steels.