Cylinder Head Stud Kit for Toyota 1.5L (1NZFE) DOHC ARP2000

Cylinder Head Stud Kit for Toyota 1.5L (1NZFE) DOHC ARP2000It is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all out competitionpowerplants. Simply stated, theres not a better stud setupon the market today. For openers, ARP only uses premium grade 8740 alloy anda proprietary ARP2000 alloy that are rated far superior to aircraftquality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat treated to

The engineers at ARP spent quite a bit of time developing these highly effective

quench and temper steels – L19 requires special care to avoid hydrogen embrittlement

with threads rolled after heat treat to ensure the optimum fatigue strength

Specialfeatures include 1/4

You won’t find abetter quality stud on the market from any other source

marine and drag racing engines – including those with superchargers and/or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

These pump drives feature a CNC milled (not broached) hex

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

Not to be usedwith OEM-style

000 psi forthe 8740 material and 220

They’re nominally rated at 180

This procedure (done only to the shorter studs)more equalizes the “stretch” of both studs