ARP Custom Age 625+ Head Studs Mitsubishi 4B11T EVO X

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  • Regular price SFr. 649.95
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All ARP Custom Age 625+ studs are centerless ground, heat treated prior to thread rolling and machining, and are nominally rated at 270'000psi. These fasteners deliver a 55% increase in tensile strength over the OEM Torque To Yeld head bolts.