Polaris XP 1000 ARP-2000 OSP Head Studs. These studs are made from the great ARP2000 Material which is better/stronger than the standard 8740 chromoly steel. These studs will increase your clamping force for high compression, big bore and ultimate boost engines! We have increased our torque to 85 FT/LB with No drilling or tapping required. Studs offer allen head for easy removal and installation.
- From ARP about ARP2000 -
ARP2000®: ARP2000 is an alloy steel that can be safely heat treated to a higher level, producing a greater strength material than 8740. While 8740 and ARP2000 share similar characteristics – ARP2000 is capable of achieving a clamp load at 220,000 psi. ARP2000 is used widely in short track and drag racing as an up-grade from 8740 chrome moly in both steel and aluminum rods. Stress corrosion and hydrogen embrittlement are typically not a problem, providing care is taken during installation.
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