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These ARP 2000 head studs replace the factory head bolts on ’98.5-’12 Cummins engines (5.9L and 6.7L). They measure 12mm (od), are rated at 220,000 psi tensile strength, and have proven capable of keeping a head gasket alive at nearly 100 psi of boost. Ideal for your average hot street truck running compound turbos and elevated boost levels, ARP studs are also a good idea anytime an engine sees 40+ psi of boost on a regular basis.
Chromoly 12-point nuts and parallel ground washers are also included.
- *ARP 2000 material
- *12mm od head studs
- *220,000 psi tensile strength
- *Fits 5.9L and 6.7L 24-valve Cummins engines
- *Chromoly, 12-point nuts and parallel ground washers