Watch in action

Superior Bottom End Stability for EJ Engines

The ARP Subaru WRX EJ20 & EJ25 Block Bolts (Part #260-5401) are designed to provide the ultimate in bottom-end security for your Subaru EJ engine. In high-performance applications, the block halves and main bearing caps are subjected to immense stress. These ARP bolts ensure that your engine block remains rigid, preventing cap walk and maintaining proper bearing clearances.

Why Upgrade Your Block Bolts?

• Enhanced Rigidity: Provides superior clamping force to keep the block halves and main caps perfectly aligned.
• Premium Material: Manufactured from 8740 chromoly steel, offering high tensile strength and durability.
• Consistent Torque: Rolled threads provide consistent and accurate torque readings during assembly.
• Engine Longevity: Helps prevent main bearing failure and block distortion under high-boost or high-RPM conditions.

This kit is a must-have for any serious engine build, whether you are running a stock turbo or a high-horsepower custom setup. By upgrading to ARP, you are ensuring that your engine's bottom end can handle the increased power and torque without compromising structural integrity. These bolts are designed to replace the factory hardware, providing a direct-fit upgrade that offers peace of mind for every mile driven. Perfect for the EJ20 and EJ25 platforms, this kit is the foundation of a reliable, high-performance engine. Don't let weak fasteners limit your build's potential. Upgrade to the industry standard in engine hardware. For high-quality performance parts, look no further than GGCRACING.