SKU: OUT-ENG-HEADSTUDS ARP 1/2" Head Stud Set for EJ and FA Engines

This set offers:

• Twelve ARP Head Studs with dimensions of 1/2" x 1.5mm, ensuring a solid and durable anchor point for your cylinder heads.
• Twelve ARP Washers, providing the necessary support and friction reduction for the enhanced stud size.
• Twelve ARP Nuts, designed to secure the assembly effectively.
• One container of ARP Fastener Assembly Lube, ensuring a smooth and hassle-free assembly process.

To successfully install these larger studs, you will need to:

• Use head gaskets with 1/2" stud provisions or enlarge existing head gaskets for the larger 1/2" head studs.
• Split the OEM locating dowels to accommodate the larger stud size.
• Drill and tap the engine case for proper stud installation.
• Enlarge the clearances of the cylinder head stud holes for the 1/2" studs.