ARP 2000 Headstud Kit: Subaru EJ20/25 STI/WRX/LGT/FOZ

The ARP 2000 Headstud Kit for Subaru EJ 20 and 25 turbo engines offers stronger clamping than stock bolts. This ensures a tight seal between the cylinder head and block, reducing head gasket failures under high boost. Ideal for turbocharged engines, these studs improve reliability and durability during performance driving and tuning.

Cylinder head studs manufactured using Aircraft Grade Steel.
• Cylinder head stud thread pitch (Block): M11X1.25.
• Cylinder head stud thread pitch (Cylinder Head): M11X1.25.
• Cylinder head stud length: 197mm.

• Kits comprises of:

X12 Performance studs.
X12 Heat treated nuts.
X12 Heat treated washers.
X1 Sachet of Moly Grease.
X1 Fitting Instruction Guide.