ARP AU4.600-2B M12 x 1.75 High-Performance Engine Stud

The ARP AU4.600-2B is a precision-engineered single stud manufactured from ARP's proprietary ARP 2000 material, designed for high-performance and racing applications. This versatile fastener measures 4.600 inches in overall length with M12 x 1.75 threading and features 1.450 inches of thread engagement, making it suitable for custom engine builds, exhaust systems, intake manifolds, and various other high-stress applications.

Key Features:

• Manufactured from premium ARP 2000 material with 220,000 PSI tensile strength
• M12 x 1.75mm thread pitch for precise fitment
• 4.600 inches total length with 1.450 inches of threading
• Threads rolled after heat treatment for superior fatigue strength
• Centerless ground to ensure perfect concentricity
• Significantly stronger than OEM fasteners for high-boost and high-compression applications

ARP (Automotive Racing Products) is the world leader in fastener technology, trusted by professional engine builders across all forms of motorsports. Each stud undergoes precision heat treatment and quality control processes to deliver unmatched reliability and clamping force in demanding performance environments. This single stud configuration allows builders to order exact quantities needed for custom applications or replacement purposes.