ARP 12mm Headstud Kit

ARP Diesel Head Stud Kit 230-4201 is used on 2001-2016 LB7, LLY, LBZ, LMM, and LML Duramax. ARP stud kits are used to prevent head gasket failures in high performance applications. These Head studs are rated at 220,000 psi tensile strength, and provide the necessary strength to keep cylinder heads from lifting due to higher combustion pressure.

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