ARP Fasteners Case Bolt Kit Subaru EJ Models - 2015-2021 Subaru STI / 1998-2012 Forester / 1993-2014 Impreza

The Case Bolt Kit will hold the engine case together when rebuilding the engine in the Subaru WRX/STI.

ARP Case Bolt Kit

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Case Bolt Specs:

• Forged from premium INCONEL 718
• All bolts undergo a generous under-head radius and heat treating for reliability
• Threads are rolled after heat-treating to make them 1000% stronger than most other main bolts
• Bolts are rated at 200,000 psi
• Application-specific
• Includes parallel-ground, hardened washers

ARP Case Bolt Kit

ARP hands down engineers and manufactures the best hardware in the automotive industry. From world-class race cars to the world's fastest street cars, more than likely they will have some form of ARP hardware.

The ARP Case Bolts make for the absolute best direct replacements for the OEM case hardware and are ideal for both stock builds, or high-horsepower builds. This means they will work in your street car or race car and are for the most discriminatory of engine builders that demand the best of everything.