ARP Pro Series Head Stud Kit 11mm - 02-18 WRX / 04-18 STI
$193.68 $380.33
ARP Head Studs are a complete part of your engine rebuilding breakfast. These are the 11mm head studs, and these are a great idea if you are rebuilding your engine back to stock specs, or if you are building your car to climb Mount Everest. And here’s why:
These studs are constructed out of grade ARP2000 alloy that is rated far superior to “aircraft” quality. Then each stud is placed vertically In special racks and precisely heat-treated to 220,000 PSI. These studs are then rolled after the heat treatment, and this gives them about 1000% better fatigue resistance than your standard head studs.
Because of these reasons, many professional race teams of all motorsports genres trust ARP head studs to keep their motors together whether it be the drag strip, road course, or rally.
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