ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then each stud is placed vertically in special racks and precisely heat treated to 200,000 psi.
This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers. Also Remember, studs provide more accurate and consistent torque loading over bolts." Be sure you check your application to make sure this Head stud kit will fit". The item "204-4211 ARP HEAD STUD KIT Fits PORSCHE 2.5L SOHC/DOHC WATER COOLED ENGINES 944" is in sale since Wednesday, May 22, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts".
The seller is "cnc-motorsports" and is located in Ventura, California. This item can be shipped to North, South, or Latin America, all countries in Europe, Australia, Japan, China, South Korea, Indonesia, Taiwan, South africa, Thailand, Hong Kong, Israel, New Zealand, Philippines, Singapore, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Malaysia, Bangladesh, Brunei darussalam, Egypt, Jordan, Cambodia, Sri lanka, Macao, Maldives, Oman, Pakistan, Reunion, Viet nam.