Oversized 14mm ARP studs: Increases load capacity and prevents cylinder head lift during high-horsepower operation
Includes 12 ARP2000 14mm x 1.5mm studs, 12 ARP washers, 12 ARP nuts, and 1 ARP fastener assembly: Complete set for installation and maintenance
Requires engine block and cylinder head machining: Ensures compatibility with high-performance builds and professional installation
Compatible with multiple Subaru models: Supports WRX, STI, Forester GT, and Liberty RS engines from 1989 to 2021
Engineered for fire lock head gasket systems: Provides reliable sealing under extreme operating conditions
Summarized by Shop
IAG's / ARP 14mm Head Stud Set is designed for use on high horsepower Subaru engines. The larger size of the stud increases its load capacity which in turn helps to prevent the cylinder head from lifting and creating head gasket failures. The oversized head studs require drilling and tapping the case as well as splitting the locating dow