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ARP M12 head stud kit for Mitsubishi 4G63 engines provides replacement M12 studs and related hardware to secure the cylinder head. This head stud kit is intended as a direct fastener upgrade for the 4G63 engine, offering a durable solution for achieving correct head clamping. Use it where factory studs are being replaced during engine rebuilds or performance bolt-up procedures.
ARP Mitsubishi 4G63 M12 Head Stud Kit
