IAG Performance ARP 1/2in Head Stud Set for Subaru EJ25 and FA20 DIT - Subaru Models (inc. 2002+ WRX/STI)

Spectral Performance now carries highly sought-after high-performance upgrades and accessories brought to you by IAG Performance.

On this page, you are looking at the IAG Performance ARP 1/2" Head Stud Set for EJ25 and FA20 DIT engines. These head studs are ideal for high-horsepower applications to prevent the head from lifting under boost.

Here are the details:

• Manufactured by ARP
• Designed for use on high horsepower applications
• Prevents cylinder heads from lifting in race applications
• Requires the case halves to be drilled and tapped and machined to accept the larger studs
• Includes 12 studs