ARP Head Stud Kit - Honda/Acura 2.0L (B20A5) - 208-4703 Porsche Boxster 981 The studs are manufactured from

The studs are manufactured from 8740 chrome moly steel

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Straight -4AN Female To 90 Degree -4AN Female 27" Pre-Assembled Brake Line - 3390-04-27

ARP Head Stud Kit - Honda/Acura 2.0L (B20A5) - 208-4703 Porsche Boxster 981 The studs are manufactured fromIt 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, theres 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. Secondly, each stud is placed vertically into special racks and precisely heat treated