ARP Head Stud Kit for Mitsubishi 4B11 CA625+

ARP Head Stud Kit for Mitsubishi 4B11 CA625+ Upgrade sealing reliability and boost support with the ARP Head Stud Kit engineered for the Mitsubishi 4B11 (CA625+). Designed to OEM+ and motorsport standards, this kit delivers consistent clamping force and superior fatigue resistance for high-boost and high-power builds. Key Features Application: Mitsubishi 4B11 — Evo X, Outlander Sport and compatible CA625+ variants Material: Premium high-strength alloy steel for exceptional tensile strength Manufacturing: Rolled threads and precision machining for improved fatigue life and repeatable torque Complete kit: Includes studs, washers and required hardware for professional installation Performance: Maintains head gasket clamp under elevated cylinder pressures and high boost Benefits Reduces head lift and improves long-term sealing integrity Enables safe, reliable power increases on turbocharged 4B11 engines Consistent preload for improved cylinder sealing and engine longevity Why Choose ARP ARP fasteners are a trusted choice in racing and street performance. This head stud kit combines motorsport-proven materials and manufacturing to deliver repeatable results and enhanced durability for modified engines. Fitment & Installation: Verify compatibility with your specific CA625+ head and engine variant. Professional installation and adherence to ARP torque procedures are strongly recommended.