Head Stud Kit, 12-Point Nut FJ Cruiser Water and oil-cooled design for

Water and oil-cooled design for durability under extreme use

thickness: 1

Our most popular top of the line street kit

Replacement Valve Retainer

Head Stud Kit, 12-Point Nut FJ Cruiser Water and oil-cooled design forfits SB Chev Dart Sportsman, . 950", Corse Thread (Under Cut) Part Number : AR234 4602 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